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-rw-r--r--arch/mips/include/asm/checksum.h4
-rw-r--r--arch/mips/include/asm/futex.h2
-rw-r--r--arch/mips/include/asm/termios.h4
-rw-r--r--arch/mips/include/asm/uaccess.h12
-rw-r--r--arch/mips/kernel/mips-r2-to-r6-emul.c24
-rw-r--r--arch/mips/kernel/ptrace.c12
-rw-r--r--arch/mips/kernel/signal.c12
-rw-r--r--arch/mips/kernel/signal32.c4
-rw-r--r--arch/mips/kernel/signal_n32.c4
-rw-r--r--arch/mips/kernel/signal_o32.c8
-rw-r--r--arch/mips/kernel/syscall.c2
-rw-r--r--arch/mips/kernel/unaligned.c98
-rw-r--r--arch/mips/math-emu/cp1emu.c16
-rw-r--r--arch/mips/mm/cache.c2
-rw-r--r--arch/mips/mm/gup.c3
-rw-r--r--arch/mips/oprofile/backtrace.c2
-rw-r--r--arch/mips/sibyte/common/sb_tbprof.c2
17 files changed, 101 insertions, 110 deletions
diff --git a/arch/mips/include/asm/checksum.h b/arch/mips/include/asm/checksum.h
index e8161e4dfde7..dcebaaf8c862 100644
--- a/arch/mips/include/asm/checksum.h
+++ b/arch/mips/include/asm/checksum.h
@@ -63,7 +63,7 @@ static inline
__wsum csum_and_copy_from_user(const void __user *src, void *dst,
int len, __wsum sum, int *err_ptr)
{
- if (access_ok(VERIFY_READ, src, len))
+ if (access_ok(src, len))
return csum_partial_copy_from_user(src, dst, len, sum,
err_ptr);
if (len)
@@ -81,7 +81,7 @@ __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len,
__wsum sum, int *err_ptr)
{
might_fault();
- if (access_ok(VERIFY_WRITE, dst, len)) {
+ if (access_ok(dst, len)) {
if (uaccess_kernel())
return __csum_partial_copy_kernel(src,
(__force void *)dst,
diff --git a/arch/mips/include/asm/futex.h b/arch/mips/include/asm/futex.h
index 8eff134b3a43..c14d798f3888 100644
--- a/arch/mips/include/asm/futex.h
+++ b/arch/mips/include/asm/futex.h
@@ -129,7 +129,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
int ret = 0;
u32 val;
- if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
+ if (!access_ok(uaddr, sizeof(u32)))
return -EFAULT;
if (cpu_has_llsc && R10000_LLSC_WAR) {
diff --git a/arch/mips/include/asm/termios.h b/arch/mips/include/asm/termios.h
index ce2d72e34274..bc29eeacc55a 100644
--- a/arch/mips/include/asm/termios.h
+++ b/arch/mips/include/asm/termios.h
@@ -32,7 +32,7 @@ static inline int user_termio_to_kernel_termios(struct ktermios *termios,
unsigned short iflag, oflag, cflag, lflag;
unsigned int err;
- if (!access_ok(VERIFY_READ, termio, sizeof(struct termio)))
+ if (!access_ok(termio, sizeof(struct termio)))
return -EFAULT;
err = __get_user(iflag, &termio->c_iflag);
@@ -61,7 +61,7 @@ static inline int kernel_termios_to_user_termio(struct termio __user *termio,
{
int err;
- if (!access_ok(VERIFY_WRITE, termio, sizeof(struct termio)))
+ if (!access_ok(termio, sizeof(struct termio)))
return -EFAULT;
err = __put_user(termios->c_iflag, &termio->c_iflag);
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index 06629011a434..d43c1dc6ef15 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -109,9 +109,6 @@ static inline bool eva_kernel_access(void)
/*
* access_ok: - Checks if a user space pointer is valid
- * @type: Type of access: %VERIFY_READ or %VERIFY_WRITE. Note that
- * %VERIFY_WRITE is a superset of %VERIFY_READ - if it is safe
- * to write to a block, it is always safe to read from it.
* @addr: User space pointer to start of block to check
* @size: Size of block to check
*
@@ -134,7 +131,7 @@ static inline int __access_ok(const void __user *p, unsigned long size)
return (get_fs().seg & (addr | (addr + size) | __ua_size(size))) == 0;
}
-#define access_ok(type, addr, size) \
+#define access_ok(addr, size) \
likely(__access_ok((addr), (size)))
/*
@@ -304,7 +301,7 @@ do { \
const __typeof__(*(ptr)) __user * __gu_ptr = (ptr); \
\
might_fault(); \
- if (likely(access_ok(VERIFY_READ, __gu_ptr, size))) { \
+ if (likely(access_ok( __gu_ptr, size))) { \
if (eva_kernel_access()) \
__get_kernel_common((x), size, __gu_ptr); \
else \
@@ -446,7 +443,7 @@ do { \
int __pu_err = -EFAULT; \
\
might_fault(); \
- if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) { \
+ if (likely(access_ok( __pu_addr, size))) { \
if (eva_kernel_access()) \
__put_kernel_common(__pu_addr, size); \
else \
@@ -691,8 +688,7 @@ __clear_user(void __user *addr, __kernel_size_t size)
({ \
void __user * __cl_addr = (addr); \
unsigned long __cl_size = (n); \
- if (__cl_size && access_ok(VERIFY_WRITE, \
- __cl_addr, __cl_size)) \
+ if (__cl_size && access_ok(__cl_addr, __cl_size)) \
__cl_size = __clear_user(__cl_addr, __cl_size); \
__cl_size; \
})
diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c
index cb22a558431e..c50c89a978f1 100644
--- a/arch/mips/kernel/mips-r2-to-r6-emul.c
+++ b/arch/mips/kernel/mips-r2-to-r6-emul.c
@@ -1205,7 +1205,7 @@ fpu_emul:
case lwl_op:
rt = regs->regs[MIPSInst_RT(inst)];
vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst);
- if (!access_ok(VERIFY_READ, (void __user *)vaddr, 4)) {
+ if (!access_ok((void __user *)vaddr, 4)) {
current->thread.cp0_baduaddr = vaddr;
err = SIGSEGV;
break;
@@ -1278,7 +1278,7 @@ fpu_emul:
case lwr_op:
rt = regs->regs[MIPSInst_RT(inst)];
vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst);
- if (!access_ok(VERIFY_READ, (void __user *)vaddr, 4)) {
+ if (!access_ok((void __user *)vaddr, 4)) {
current->thread.cp0_baduaddr = vaddr;
err = SIGSEGV;
break;
@@ -1352,7 +1352,7 @@ fpu_emul:
case swl_op:
rt = regs->regs[MIPSInst_RT(inst)];
vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst);
- if (!access_ok(VERIFY_WRITE, (void __user *)vaddr, 4)) {
+ if (!access_ok((void __user *)vaddr, 4)) {
current->thread.cp0_baduaddr = vaddr;
err = SIGSEGV;
break;
@@ -1422,7 +1422,7 @@ fpu_emul:
case swr_op:
rt = regs->regs[MIPSInst_RT(inst)];
vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst);
- if (!access_ok(VERIFY_WRITE, (void __user *)vaddr, 4)) {
+ if (!access_ok((void __user *)vaddr, 4)) {
current->thread.cp0_baduaddr = vaddr;
err = SIGSEGV;
break;
@@ -1497,7 +1497,7 @@ fpu_emul:
rt = regs->regs[MIPSInst_RT(inst)];
vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst);
- if (!access_ok(VERIFY_READ, (void __user *)vaddr, 8)) {
+ if (!access_ok((void __user *)vaddr, 8)) {
current->thread.cp0_baduaddr = vaddr;
err = SIGSEGV;
break;
@@ -1616,7 +1616,7 @@ fpu_emul:
rt = regs->regs[MIPSInst_RT(inst)];
vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst);
- if (!access_ok(VERIFY_READ, (void __user *)vaddr, 8)) {
+ if (!access_ok((void __user *)vaddr, 8)) {
current->thread.cp0_baduaddr = vaddr;
err = SIGSEGV;
break;
@@ -1735,7 +1735,7 @@ fpu_emul:
rt = regs->regs[MIPSInst_RT(inst)];
vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst);
- if (!access_ok(VERIFY_WRITE, (void __user *)vaddr, 8)) {
+ if (!access_ok((void __user *)vaddr, 8)) {
current->thread.cp0_baduaddr = vaddr;
err = SIGSEGV;
break;
@@ -1853,7 +1853,7 @@ fpu_emul:
rt = regs->regs[MIPSInst_RT(inst)];
vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst);
- if (!access_ok(VERIFY_WRITE, (void __user *)vaddr, 8)) {
+ if (!access_ok((void __user *)vaddr, 8)) {
current->thread.cp0_baduaddr = vaddr;
err = SIGSEGV;
break;
@@ -1970,7 +1970,7 @@ fpu_emul:
err = SIGBUS;
break;
}
- if (!access_ok(VERIFY_READ, (void __user *)vaddr, 4)) {
+ if (!access_ok((void __user *)vaddr, 4)) {
current->thread.cp0_baduaddr = vaddr;
err = SIGBUS;
break;
@@ -2026,7 +2026,7 @@ fpu_emul:
err = SIGBUS;
break;
}
- if (!access_ok(VERIFY_WRITE, (void __user *)vaddr, 4)) {
+ if (!access_ok((void __user *)vaddr, 4)) {
current->thread.cp0_baduaddr = vaddr;
err = SIGBUS;
break;
@@ -2089,7 +2089,7 @@ fpu_emul:
err = SIGBUS;
break;
}
- if (!access_ok(VERIFY_READ, (void __user *)vaddr, 8)) {
+ if (!access_ok((void __user *)vaddr, 8)) {
current->thread.cp0_baduaddr = vaddr;
err = SIGBUS;
break;
@@ -2150,7 +2150,7 @@ fpu_emul:
err = SIGBUS;
break;
}
- if (!access_ok(VERIFY_WRITE, (void __user *)vaddr, 8)) {
+ if (!access_ok((void __user *)vaddr, 8)) {
current->thread.cp0_baduaddr = vaddr;
err = SIGBUS;
break;
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index ea54575255ea..0057c910bc2f 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -71,7 +71,7 @@ int ptrace_getregs(struct task_struct *child, struct user_pt_regs __user *data)
struct pt_regs *regs;
int i;
- if (!access_ok(VERIFY_WRITE, data, 38 * 8))
+ if (!access_ok(data, 38 * 8))
return -EIO;
regs = task_pt_regs(child);
@@ -98,7 +98,7 @@ int ptrace_setregs(struct task_struct *child, struct user_pt_regs __user *data)
struct pt_regs *regs;
int i;
- if (!access_ok(VERIFY_READ, data, 38 * 8))
+ if (!access_ok(data, 38 * 8))
return -EIO;
regs = task_pt_regs(child);
@@ -125,7 +125,7 @@ int ptrace_get_watch_regs(struct task_struct *child,
if (!cpu_has_watch || boot_cpu_data.watch_reg_use_cnt == 0)
return -EIO;
- if (!access_ok(VERIFY_WRITE, addr, sizeof(struct pt_watch_regs)))
+ if (!access_ok(addr, sizeof(struct pt_watch_regs)))
return -EIO;
#ifdef CONFIG_32BIT
@@ -167,7 +167,7 @@ int ptrace_set_watch_regs(struct task_struct *child,
if (!cpu_has_watch || boot_cpu_data.watch_reg_use_cnt == 0)
return -EIO;
- if (!access_ok(VERIFY_READ, addr, sizeof(struct pt_watch_regs)))
+ if (!access_ok(addr, sizeof(struct pt_watch_regs)))
return -EIO;
/* Check the values. */
for (i = 0; i < boot_cpu_data.watch_reg_use_cnt; i++) {
@@ -359,7 +359,7 @@ int ptrace_getfpregs(struct task_struct *child, __u32 __user *data)
{
int i;
- if (!access_ok(VERIFY_WRITE, data, 33 * 8))
+ if (!access_ok(data, 33 * 8))
return -EIO;
if (tsk_used_math(child)) {
@@ -385,7 +385,7 @@ int ptrace_setfpregs(struct task_struct *child, __u32 __user *data)
u32 value;
int i;
- if (!access_ok(VERIFY_READ, data, 33 * 8))
+ if (!access_ok(data, 33 * 8))
return -EIO;
init_fp_ctx(child);
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index d3a23758592c..d75337974ee9 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -590,7 +590,7 @@ SYSCALL_DEFINE3(sigaction, int, sig, const struct sigaction __user *, act,
if (act) {
old_sigset_t mask;
- if (!access_ok(VERIFY_READ, act, sizeof(*act)))
+ if (!access_ok(act, sizeof(*act)))
return -EFAULT;
err |= __get_user(new_ka.sa.sa_handler, &act->sa_handler);
err |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);
@@ -604,7 +604,7 @@ SYSCALL_DEFINE3(sigaction, int, sig, const struct sigaction __user *, act,
ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
if (!ret && oact) {
- if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)))
+ if (!access_ok(oact, sizeof(*oact)))
return -EFAULT;
err |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
err |= __put_user(old_ka.sa.sa_handler, &oact->sa_handler);
@@ -630,7 +630,7 @@ asmlinkage void sys_sigreturn(void)
regs = current_pt_regs();
frame = (struct sigframe __user *)regs->regs[29];
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
goto badframe;
if (__copy_from_user(&blocked, &frame->sf_mask, sizeof(blocked)))
goto badframe;
@@ -667,7 +667,7 @@ asmlinkage void sys_rt_sigreturn(void)
regs = current_pt_regs();
frame = (struct rt_sigframe __user *)regs->regs[29];
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
goto badframe;
if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set)))
goto badframe;
@@ -705,7 +705,7 @@ static int setup_frame(void *sig_return, struct ksignal *ksig,
int err = 0;
frame = get_sigframe(ksig, regs, sizeof(*frame));
- if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
+ if (!access_ok(frame, sizeof (*frame)))
return -EFAULT;
err |= setup_sigcontext(regs, &frame->sf_sc);
@@ -744,7 +744,7 @@ static int setup_rt_frame(void *sig_return, struct ksignal *ksig,
int err = 0;
frame = get_sigframe(ksig, regs, sizeof(*frame));
- if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
+ if (!access_ok(frame, sizeof (*frame)))
return -EFAULT;
/* Create siginfo. */
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index b5d9e1784aff..59b8965433c2 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -46,7 +46,7 @@ SYSCALL_DEFINE3(32_sigaction, long, sig, const struct compat_sigaction __user *,
old_sigset_t mask;
s32 handler;
- if (!access_ok(VERIFY_READ, act, sizeof(*act)))
+ if (!access_ok(act, sizeof(*act)))
return -EFAULT;
err |= __get_user(handler, &act->sa_handler);
new_ka.sa.sa_handler = (void __user *)(s64)handler;
@@ -61,7 +61,7 @@ SYSCALL_DEFINE3(32_sigaction, long, sig, const struct compat_sigaction __user *,
ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
if (!ret && oact) {
- if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)))
+ if (!access_ok(oact, sizeof(*oact)))
return -EFAULT;
err |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
err |= __put_user((u32)(u64)old_ka.sa.sa_handler,
diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index 8f65aaf9206d..c498b027823e 100644
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -73,7 +73,7 @@ asmlinkage void sysn32_rt_sigreturn(void)
regs = current_pt_regs();
frame = (struct rt_sigframe_n32 __user *)regs->regs[29];
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
goto badframe;
if (__copy_conv_sigset_from_user(&set, &frame->rs_uc.uc_sigmask))
goto badframe;
@@ -110,7 +110,7 @@ static int setup_rt_frame_n32(void *sig_return, struct ksignal *ksig,
int err = 0;
frame = get_sigframe(ksig, regs, sizeof(*frame));
- if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
+ if (!access_ok(frame, sizeof (*frame)))
return -EFAULT;
/* Create siginfo. */
diff --git a/arch/mips/kernel/signal_o32.c b/arch/mips/kernel/signal_o32.c
index b6e3ddef48a0..df259618e834 100644
--- a/arch/mips/kernel/signal_o32.c
+++ b/arch/mips/kernel/signal_o32.c
@@ -118,7 +118,7 @@ static int setup_frame_32(void *sig_return, struct ksignal *ksig,
int err = 0;
frame = get_sigframe(ksig, regs, sizeof(*frame));
- if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
+ if (!access_ok(frame, sizeof (*frame)))
return -EFAULT;
err |= setup_sigcontext32(regs, &frame->sf_sc);
@@ -160,7 +160,7 @@ asmlinkage void sys32_rt_sigreturn(void)
regs = current_pt_regs();
frame = (struct rt_sigframe32 __user *)regs->regs[29];
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
goto badframe;
if (__copy_conv_sigset_from_user(&set, &frame->rs_uc.uc_sigmask))
goto badframe;
@@ -197,7 +197,7 @@ static int setup_rt_frame_32(void *sig_return, struct ksignal *ksig,
int err = 0;
frame = get_sigframe(ksig, regs, sizeof(*frame));
- if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
+ if (!access_ok(frame, sizeof (*frame)))
return -EFAULT;
/* Convert (siginfo_t -> compat_siginfo_t) and copy to user. */
@@ -262,7 +262,7 @@ asmlinkage void sys32_sigreturn(void)
regs = current_pt_regs();
frame = (struct sigframe32 __user *)regs->regs[29];
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
goto badframe;
if (__copy_conv_sigset_from_user(&blocked, &frame->sf_mask))
goto badframe;
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 41a0db08cd37..b6dc78ad5d8c 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -101,7 +101,7 @@ static inline int mips_atomic_set(unsigned long addr, unsigned long new)
if (unlikely(addr & 3))
return -EINVAL;
- if (unlikely(!access_ok(VERIFY_WRITE, (const void __user *)addr, 4)))
+ if (unlikely(!access_ok((const void __user *)addr, 4)))
return -EINVAL;
if (cpu_has_llsc && R10000_LLSC_WAR) {
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index c60e7719ef77..595ca9c85111 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -936,7 +936,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
if (insn.dsp_format.func == lx_op) {
switch (insn.dsp_format.op) {
case lwx_op:
- if (!access_ok(VERIFY_READ, addr, 4))
+ if (!access_ok(addr, 4))
goto sigbus;
LoadW(addr, value, res);
if (res)
@@ -945,7 +945,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
regs->regs[insn.dsp_format.rd] = value;
break;
case lhx_op:
- if (!access_ok(VERIFY_READ, addr, 2))
+ if (!access_ok(addr, 2))
goto sigbus;
LoadHW(addr, value, res);
if (res)
@@ -968,7 +968,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
set_fs(USER_DS);
switch (insn.spec3_format.func) {
case lhe_op:
- if (!access_ok(VERIFY_READ, addr, 2)) {
+ if (!access_ok(addr, 2)) {
set_fs(seg);
goto sigbus;
}
@@ -981,7 +981,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
regs->regs[insn.spec3_format.rt] = value;
break;
case lwe_op:
- if (!access_ok(VERIFY_READ, addr, 4)) {
+ if (!access_ok(addr, 4)) {
set_fs(seg);
goto sigbus;
}
@@ -994,7 +994,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
regs->regs[insn.spec3_format.rt] = value;
break;
case lhue_op:
- if (!access_ok(VERIFY_READ, addr, 2)) {
+ if (!access_ok(addr, 2)) {
set_fs(seg);
goto sigbus;
}
@@ -1007,7 +1007,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
regs->regs[insn.spec3_format.rt] = value;
break;
case she_op:
- if (!access_ok(VERIFY_WRITE, addr, 2)) {
+ if (!access_ok(addr, 2)) {
set_fs(seg);
goto sigbus;
}
@@ -1020,7 +1020,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
}
break;
case swe_op:
- if (!access_ok(VERIFY_WRITE, addr, 4)) {
+ if (!access_ok(addr, 4)) {
set_fs(seg);
goto sigbus;
}
@@ -1041,7 +1041,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
#endif
break;
case lh_op:
- if (!access_ok(VERIFY_READ, addr, 2))
+ if (!access_ok(addr, 2))
goto sigbus;
if (IS_ENABLED(CONFIG_EVA)) {
@@ -1060,7 +1060,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
break;
case lw_op:
- if (!access_ok(VERIFY_READ, addr, 4))
+ if (!access_ok(addr, 4))
goto sigbus;
if (IS_ENABLED(CONFIG_EVA)) {
@@ -1079,7 +1079,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
break;
case lhu_op:
- if (!access_ok(VERIFY_READ, addr, 2))
+ if (!access_ok(addr, 2))
goto sigbus;
if (IS_ENABLED(CONFIG_EVA)) {
@@ -1106,7 +1106,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
* would blow up, so for now we don't handle unaligned 64-bit
* instructions on 32-bit kernels.
*/
- if (!access_ok(VERIFY_READ, addr, 4))
+ if (!access_ok(addr, 4))
goto sigbus;
LoadWU(addr, value, res);
@@ -1129,7 +1129,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
* would blow up, so for now we don't handle unaligned 64-bit
* instructions on 32-bit kernels.
*/
- if (!access_ok(VERIFY_READ, addr, 8))
+ if (!access_ok(addr, 8))
goto sigbus;
LoadDW(addr, value, res);
@@ -1144,7 +1144,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
goto sigill;
case sh_op:
- if (!access_ok(VERIFY_WRITE, addr, 2))
+ if (!access_ok(addr, 2))
goto sigbus;
compute_return_epc(regs);
@@ -1164,7 +1164,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
break;
case sw_op:
- if (!access_ok(VERIFY_WRITE, addr, 4))
+ if (!access_ok(addr, 4))
goto sigbus;
compute_return_epc(regs);
@@ -1192,7 +1192,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
* would blow up, so for now we don't handle unaligned 64-bit
* instructions on 32-bit kernels.
*/
- if (!access_ok(VERIFY_WRITE, addr, 8))
+ if (!access_ok(addr, 8))
goto sigbus;
compute_return_epc(regs);
@@ -1254,7 +1254,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
switch (insn.msa_mi10_format.func) {
case msa_ld_op:
- if (!access_ok(VERIFY_READ, addr, sizeof(*fpr)))
+ if (!access_ok(addr, sizeof(*fpr)))
goto sigbus;
do {
@@ -1290,7 +1290,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
break;
case msa_st_op:
- if (!access_ok(VERIFY_WRITE, addr, sizeof(*fpr)))
+ if (!access_ok(addr, sizeof(*fpr)))
goto sigbus;
/*
@@ -1463,7 +1463,7 @@ static void emulate_load_store_microMIPS(struct pt_regs *regs,
if (reg == 31)
goto sigbus;
- if (!access_ok(VERIFY_READ, addr, 8))
+ if (!access_ok(addr, 8))
goto sigbus;
LoadW(addr, value, res);
@@ -1482,7 +1482,7 @@ static void emulate_load_store_microMIPS(struct pt_regs *regs,
if (reg == 31)
goto sigbus;
- if (!access_ok(VERIFY_WRITE, addr, 8))
+ if (!access_ok(addr, 8))
goto sigbus;
value = regs->regs[reg];
@@ -1502,7 +1502,7 @@ static void emulate_load_store_microMIPS(struct pt_regs *regs,
if (reg == 31)
goto sigbus;
- if (!access_ok(VERIFY_READ, addr, 16))
+ if (!access_ok(addr, 16))
goto sigbus;
LoadDW(addr, value, res);
@@ -1525,7 +1525,7 @@ static void emulate_load_store_microMIPS(struct pt_regs *regs,
if (reg == 31)
goto sigbus;
- if (!access_ok(VERIFY_WRITE, addr, 16))
+ if (!access_ok(addr, 16))
goto sigbus;
value = regs->regs[reg];
@@ -1548,11 +1548,10 @@ static void emulate_load_store_microMIPS(struct pt_regs *regs,
if ((rvar > 9) || !reg)
goto sigill;
if (reg & 0x10) {
- if (!access_ok
- (VERIFY_READ, addr, 4 * (rvar + 1)))
+ if (!access_ok(addr, 4 * (rvar + 1)))
goto sigbus;
} else {
- if (!access_ok(VERIFY_READ, addr, 4 * rvar))
+ if (!access_ok(addr, 4 * rvar))
goto sigbus;
}
if (rvar == 9)
@@ -1585,11 +1584,10 @@ static void emulate_load_store_microMIPS(struct pt_regs *regs,
if ((rvar > 9) || !reg)
goto sigill;
if (reg & 0x10) {
- if (!access_ok
- (VERIFY_WRITE, addr, 4 * (rvar + 1)))
+ if (!access_ok(addr, 4 * (rvar + 1)))
goto sigbus;
} else {
- if (!access_ok(VERIFY_WRITE, addr, 4 * rvar))
+ if (!access_ok(addr, 4 * rvar))
goto sigbus;
}
if (rvar == 9)
@@ -1623,11 +1621,10 @@ static void emulate_load_store_microMIPS(struct pt_regs *regs,
if ((rvar > 9) || !reg)
goto sigill;
if (reg & 0x10) {
- if (!access_ok
- (VERIFY_READ, addr, 8 * (rvar + 1)))
+ if (!access_ok(addr, 8 * (rvar + 1)))
goto sigbus;
} else {
- if (!access_ok(VERIFY_READ, addr, 8 * rvar))
+ if (!access_ok(addr, 8 * rvar))
goto sigbus;
}
if (rvar == 9)
@@ -1665,11 +1662,10 @@ static void emulate_load_store_microMIPS(struct pt_regs *regs,
if ((rvar > 9) || !reg)
goto sigill;
if (reg & 0x10) {
- if (!access_ok
- (VERIFY_WRITE, addr, 8 * (rvar + 1)))
+ if (!access_ok(addr, 8 * (rvar + 1)))
goto sigbus;
} else {
- if (!access_ok(VERIFY_WRITE, addr, 8 * rvar))
+ if (!access_ok(addr, 8 * rvar))
goto sigbus;
}
if (rvar == 9)
@@ -1788,7 +1784,7 @@ fpu_emul:
case mm_lwm16_op:
reg = insn.mm16_m_format.rlist;
rvar = reg + 1;
- if (!access_ok(VERIFY_READ, addr, 4 * rvar))
+ if (!access_ok(addr, 4 * rvar))
goto sigbus;
for (i = 16; rvar; rvar--, i++) {
@@ -1808,7 +1804,7 @@ fpu_emul:
case mm_swm16_op:
reg = insn.mm16_m_format.rlist;
rvar = reg + 1;
- if (!access_ok(VERIFY_WRITE, addr, 4 * rvar))
+ if (!access_ok(addr, 4 * rvar))
goto sigbus;
for (i = 16; rvar; rvar--, i++) {
@@ -1862,7 +1858,7 @@ fpu_emul:
}
loadHW:
- if (!access_ok(VERIFY_READ, addr, 2))
+ if (!access_ok(addr, 2))
goto sigbus;
LoadHW(addr, value, res);
@@ -1872,7 +1868,7 @@ loadHW:
goto success;
loadHWU:
- if (!access_ok(VERIFY_READ, addr, 2))
+ if (!access_ok(addr, 2))
goto sigbus;
LoadHWU(addr, value, res);
@@ -1882,7 +1878,7 @@ loadHWU:
goto success;
loadW:
- if (!access_ok(VERIFY_READ, addr, 4))
+ if (!access_ok(addr, 4))
goto sigbus;
LoadW(addr, value, res);
@@ -1900,7 +1896,7 @@ loadWU:
* would blow up, so for now we don't handle unaligned 64-bit
* instructions on 32-bit kernels.
*/
- if (!access_ok(VERIFY_READ, addr, 4))
+ if (!access_ok(addr, 4))
goto sigbus;
LoadWU(addr, value, res);
@@ -1922,7 +1918,7 @@ loadDW:
* would blow up, so for now we don't handle unaligned 64-bit
* instructions on 32-bit kernels.
*/
- if (!access_ok(VERIFY_READ, addr, 8))
+ if (!access_ok(addr, 8))
goto sigbus;
LoadDW(addr, value, res);
@@ -1936,7 +1932,7 @@ loadDW:
goto sigill;
storeHW:
- if (!access_ok(VERIFY_WRITE, addr, 2))
+ if (!access_ok(addr, 2))
goto sigbus;
value = regs->regs[reg];
@@ -1946,7 +1942,7 @@ storeHW:
goto success;
storeW:
- if (!access_ok(VERIFY_WRITE, addr, 4))
+ if (!access_ok(addr, 4))
goto sigbus;
value = regs->regs[reg];
@@ -1964,7 +1960,7 @@ storeDW:
* would blow up, so for now we don't handle unaligned 64-bit
* instructions on 32-bit kernels.
*/
- if (!access_ok(VERIFY_WRITE, addr, 8))
+ if (!access_ok(addr, 8))
goto sigbus;
value = regs->regs[reg];
@@ -2122,7 +2118,7 @@ static void emulate_load_store_MIPS16e(struct pt_regs *regs, void __user * addr)
goto sigbus;
case MIPS16e_lh_op:
- if (!access_ok(VERIFY_READ, addr, 2))
+ if (!access_ok(addr, 2))
goto sigbus;
LoadHW(addr, value, res);
@@ -2133,7 +2129,7 @@ static void emulate_load_store_MIPS16e(struct pt_regs *regs, void __user * addr)
break;
case MIPS16e_lhu_op:
- if (!access_ok(VERIFY_READ, addr, 2))
+ if (!access_ok(addr, 2))
goto sigbus;
LoadHWU(addr, value, res);
@@ -2146,7 +2142,7 @@ static void emulate_load_store_MIPS16e(struct pt_regs *regs, void __user * addr)
case MIPS16e_lw_op:
case MIPS16e_lwpc_op:
case MIPS16e_lwsp_op:
- if (!access_ok(VERIFY_READ, addr, 4))
+ if (!access_ok(addr, 4))
goto sigbus;
LoadW(addr, value, res);
@@ -2165,7 +2161,7 @@ static void emulate_load_store_MIPS16e(struct pt_regs *regs, void __user * addr)
* would blow up, so for now we don't handle unaligned 64-bit
* instructions on 32-bit kernels.
*/
- if (!access_ok(VERIFY_READ, addr, 4))
+ if (!access_ok(addr, 4))
goto sigbus;
LoadWU(addr, value, res);
@@ -2189,7 +2185,7 @@ loadDW:
* would blow up, so for now we don't handle unaligned 64-bit
* instructions on 32-bit kernels.
*/
- if (!access_ok(VERIFY_READ, addr, 8))
+ if (!access_ok(addr, 8))
goto sigbus;
LoadDW(addr, value, res);
@@ -2204,7 +2200,7 @@ loadDW:
goto sigill;
case MIPS16e_sh_op:
- if (!access_ok(VERIFY_WRITE, addr, 2))
+ if (!access_ok(addr, 2))
goto sigbus;
MIPS16e_compute_return_epc(regs, &oldinst);
@@ -2217,7 +2213,7 @@ loadDW:
case MIPS16e_sw_op:
case MIPS16e_swsp_op:
case MIPS16e_i8_op: /* actually - MIPS16e_swrasp_func */
- if (!access_ok(VERIFY_WRITE, addr, 4))
+ if (!access_ok(addr, 4))
goto sigbus;
MIPS16e_compute_return_epc(regs, &oldinst);
@@ -2237,7 +2233,7 @@ writeDW:
* would blow up, so for now we don't handle unaligned 64-bit
* instructions on 32-bit kernels.
*/
- if (!access_ok(VERIFY_WRITE, addr, 8))
+ if (!access_ok(addr, 8))
goto sigbus;
MIPS16e_compute_return_epc(regs, &oldinst);
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 82e2993c1a2c..e60e29078ef5 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -1063,7 +1063,7 @@ emul:
MIPSInst_SIMM(ir));
MIPS_FPU_EMU_INC_STATS(loads);
- if (!access_ok(VERIFY_READ, dva, sizeof(u64))) {
+ if (!access_ok(dva, sizeof(u64))) {
MIPS_FPU_EMU_INC_STATS(errors);
*fault_addr = dva;
return SIGBUS;
@@ -1081,7 +1081,7 @@ emul:
MIPSInst_SIMM(ir));
MIPS_FPU_EMU_INC_STATS(stores);
DIFROMREG(dval, MIPSInst_RT(ir));
- if (!access_ok(VERIFY_WRITE, dva, sizeof(u64))) {
+ if (!access_ok(dva, sizeof(u64))) {
MIPS_FPU_EMU_INC_STATS(errors);
*fault_addr = dva;
return SIGBUS;
@@ -1097,7 +1097,7 @@ emul:
wva = (u32 __user *) (xcp->regs[MIPSInst_RS(ir)] +
MIPSInst_SIMM(ir));
MIPS_FPU_EMU_INC_STATS(loads);
- if (!access_ok(VERIFY_READ, wva, sizeof(u32))) {
+ if (!access_ok(wva, sizeof(u32))) {
MIPS_FPU_EMU_INC_STATS(errors);
*fault_addr = wva;
return SIGBUS;
@@ -1115,7 +1115,7 @@ emul:
MIPSInst_SIMM(ir));
MIPS_FPU_EMU_INC_STATS(stores);
SIFROMREG(wval, MIPSInst_RT(ir));
- if (!access_ok(VERIFY_WRITE, wva, sizeof(u32))) {
+ if (!access_ok(wva, sizeof(u32))) {
MIPS_FPU_EMU_INC_STATS(errors);
*fault_addr = wva;
return SIGBUS;
@@ -1493,7 +1493,7 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
xcp->regs[MIPSInst_FT(ir)]);
MIPS_FPU_EMU_INC_STATS(loads);
- if (!access_ok(VERIFY_READ, va, sizeof(u32))) {
+ if (!access_ok(va, sizeof(u32))) {
MIPS_FPU_EMU_INC_STATS(errors);
*fault_addr = va;
return SIGBUS;
@@ -1513,7 +1513,7 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
MIPS_FPU_EMU_INC_STATS(stores);
SIFROMREG(val, MIPSInst_FS(ir));
- if (!access_ok(VERIFY_WRITE, va, sizeof(u32))) {
+ if (!access_ok(va, sizeof(u32))) {
MIPS_FPU_EMU_INC_STATS(errors);
*fault_addr = va;
return SIGBUS;
@@ -1590,7 +1590,7 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
xcp->regs[MIPSInst_FT(ir)]);
MIPS_FPU_EMU_INC_STATS(loads);
- if (!access_ok(VERIFY_READ, va, sizeof(u64))) {
+ if (!access_ok(va, sizeof(u64))) {
MIPS_FPU_EMU_INC_STATS(errors);
*fault_addr = va;
return SIGBUS;
@@ -1609,7 +1609,7 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
MIPS_FPU_EMU_INC_STATS(stores);
DIFROMREG(val, MIPSInst_FS(ir));
- if (!access_ok(VERIFY_WRITE, va, sizeof(u64))) {
+ if (!access_ok(va, sizeof(u64))) {
MIPS_FPU_EMU_INC_STATS(errors);
*fault_addr = va;
return SIGBUS;
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 70a523151ff3..55099fbff4e6 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -76,7 +76,7 @@ SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, bytes,
{
if (bytes == 0)
return 0;
- if (!access_ok(VERIFY_WRITE, (void __user *) addr, bytes))
+ if (!access_ok((void __user *) addr, bytes))
return -EFAULT;
__flush_icache_user_range(addr, addr + bytes);
diff --git a/arch/mips/mm/gup.c b/arch/mips/mm/gup.c
index 5a4875cac1ec..0d14e0d8eacf 100644
--- a/arch/mips/mm/gup.c
+++ b/arch/mips/mm/gup.c
@@ -195,8 +195,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
addr = start;
len = (unsigned long) nr_pages << PAGE_SHIFT;
end = start + len;
- if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ,
- (void __user *)start, len)))
+ if (unlikely(!access_ok((void __user *)start, len)))
return 0;
/*
diff --git a/arch/mips/oprofile/backtrace.c b/arch/mips/oprofile/backtrace.c
index 806fb798091f..07d98ba7f49e 100644
--- a/arch/mips/oprofile/backtrace.c
+++ b/arch/mips/oprofile/backtrace.c
@@ -19,7 +19,7 @@ struct stackframe {
static inline int get_mem(unsigned long addr, unsigned long *result)
{
unsigned long *address = (unsigned long *) addr;
- if (!access_ok(VERIFY_READ, address, sizeof(unsigned long)))
+ if (!access_ok(address, sizeof(unsigned long)))
return -1;
if (__copy_from_user_inatomic(result, address, sizeof(unsigned long)))
return -3;
diff --git a/arch/mips/sibyte/common/sb_tbprof.c b/arch/mips/sibyte/common/sb_tbprof.c
index 99c720be72d2..9ff26b0cd3b6 100644
--- a/arch/mips/sibyte/common/sb_tbprof.c
+++ b/arch/mips/sibyte/common/sb_tbprof.c
@@ -458,7 +458,7 @@ static ssize_t sbprof_tb_read(struct file *filp, char *buf,
char *dest = buf;
long cur_off = *offp;
- if (!access_ok(VERIFY_WRITE, buf, size))
+ if (!access_ok(buf, size))
return -EFAULT;
mutex_lock(&sbp.lock);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.