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-rw-r--r--arch/x86/kernel/fpu/signal.c4
-rw-r--r--arch/x86/kernel/signal.c14
-rw-r--r--arch/x86/kernel/stacktrace.c2
-rw-r--r--arch/x86/kernel/vm86_32.c4
4 files changed, 12 insertions, 12 deletions
diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c
index d99a8ee9e185..f6a1d299627c 100644
--- a/arch/x86/kernel/fpu/signal.c
+++ b/arch/x86/kernel/fpu/signal.c
@@ -164,7 +164,7 @@ int copy_fpstate_to_sigframe(void __user *buf, void __user *buf_fx, int size)
ia32_fxstate &= (IS_ENABLED(CONFIG_X86_32) ||
IS_ENABLED(CONFIG_IA32_EMULATION));
- if (!access_ok(VERIFY_WRITE, buf, size))
+ if (!access_ok(buf, size))
return -EACCES;
if (!static_cpu_has(X86_FEATURE_FPU))
@@ -281,7 +281,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
return 0;
}
- if (!access_ok(VERIFY_READ, buf, size))
+ if (!access_ok(buf, size))
return -EACCES;
fpu__initialize(fpu);
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 92a3b312a53c..08dfd4c1a4f9 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -322,7 +322,7 @@ __setup_frame(int sig, struct ksignal *ksig, sigset_t *set,
frame = get_sigframe(&ksig->ka, regs, sizeof(*frame), &fpstate);
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
return -EFAULT;
if (__put_user(sig, &frame->sig))
@@ -385,7 +385,7 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig,
frame = get_sigframe(&ksig->ka, regs, sizeof(*frame), &fpstate);
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
return -EFAULT;
put_user_try {
@@ -465,7 +465,7 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig,
frame = get_sigframe(&ksig->ka, regs, sizeof(struct rt_sigframe), &fp);
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
return -EFAULT;
if (ksig->ka.sa.sa_flags & SA_SIGINFO) {
@@ -547,7 +547,7 @@ static int x32_setup_rt_frame(struct ksignal *ksig,
frame = get_sigframe(&ksig->ka, regs, sizeof(*frame), &fpstate);
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
return -EFAULT;
if (ksig->ka.sa.sa_flags & SA_SIGINFO) {
@@ -610,7 +610,7 @@ SYSCALL_DEFINE0(sigreturn)
frame = (struct sigframe __user *)(regs->sp - 8);
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
goto badframe;
if (__get_user(set.sig[0], &frame->sc.oldmask) || (_NSIG_WORDS > 1
&& __copy_from_user(&set.sig[1], &frame->extramask,
@@ -642,7 +642,7 @@ SYSCALL_DEFINE0(rt_sigreturn)
unsigned long uc_flags;
frame = (struct rt_sigframe __user *)(regs->sp - sizeof(long));
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
goto badframe;
if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
goto badframe;
@@ -871,7 +871,7 @@ asmlinkage long sys32_x32_rt_sigreturn(void)
frame = (struct rt_sigframe_x32 __user *)(regs->sp - 8);
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
goto badframe;
if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
goto badframe;
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index 7627455047c2..5c2d71a1dc06 100644
--- a/arch/x86/kernel/stacktrace.c
+++ b/arch/x86/kernel/stacktrace.c
@@ -177,7 +177,7 @@ copy_stack_frame(const void __user *fp, struct stack_frame_user *frame)
{
int ret;
- if (!access_ok(VERIFY_READ, fp, sizeof(*frame)))
+ if (!access_ok(fp, sizeof(*frame)))
return 0;
ret = 1;
diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
index c2fd39752da8..a092b6b40c6b 100644
--- a/arch/x86/kernel/vm86_32.c
+++ b/arch/x86/kernel/vm86_32.c
@@ -114,7 +114,7 @@ void save_v86_state(struct kernel_vm86_regs *regs, int retval)
set_flags(regs->pt.flags, VEFLAGS, X86_EFLAGS_VIF | vm86->veflags_mask);
user = vm86->user_vm86;
- if (!access_ok(VERIFY_WRITE, user, vm86->vm86plus.is_vm86pus ?
+ if (!access_ok(user, vm86->vm86plus.is_vm86pus ?
sizeof(struct vm86plus_struct) :
sizeof(struct vm86_struct))) {
pr_alert("could not access userspace vm86 info\n");
@@ -278,7 +278,7 @@ static long do_sys_vm86(struct vm86plus_struct __user *user_vm86, bool plus)
if (vm86->saved_sp0)
return -EPERM;
- if (!access_ok(VERIFY_READ, user_vm86, plus ?
+ if (!access_ok(user_vm86, plus ?
sizeof(struct vm86_struct) :
sizeof(struct vm86plus_struct)))
return -EFAULT;