aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/kernel/traps.c
diff options
context:
space:
mode:
authorRalf Baechle <ralf@linux-mips.org>2014-06-04 22:53:02 +0200
committerRalf Baechle <ralf@linux-mips.org>2014-06-04 22:53:02 +0200
commitf8647b506d7116a1a3accd8d618184096e85f50b (patch)
treef10bc7201fda2a36c035548a0ea62210ad57adb6 /arch/mips/kernel/traps.c
parentMIPS: IP22/IP28: Improve GIO support (diff)
parentMIPS: Call find_vma with the mmap_sem held (diff)
downloadlinux-dev-f8647b506d7116a1a3accd8d618184096e85f50b.tar.xz
linux-dev-f8647b506d7116a1a3accd8d618184096e85f50b.zip
Merge branch '3.15-fixes' into mips-for-linux-next
Diffstat (limited to 'arch/mips/kernel/traps.c')
-rw-r--r--arch/mips/kernel/traps.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 1fd1a0c4f104..51706d6dd5b0 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -704,10 +704,12 @@ int process_fpemu_return(int sig, void __user *fault_addr)
si.si_addr = fault_addr;
si.si_signo = sig;
if (sig == SIGSEGV) {
+ down_read(&current->mm->mmap_sem);
if (find_vma(current->mm, (unsigned long)fault_addr))
si.si_code = SEGV_ACCERR;
else
si.si_code = SEGV_MAPERR;
+ up_read(&current->mm->mmap_sem);
} else {
si.si_code = BUS_ADRERR;
}
@@ -1537,7 +1539,7 @@ asmlinkage void cache_parity_error(void)
reg_val & (1<<30) ? "secondary" : "primary",
reg_val & (1<<31) ? "data" : "insn");
if (cpu_has_mips_r2 &&
- ((current_cpu_data.processor_id && 0xff0000) == PRID_COMP_MIPS)) {
+ ((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_MIPS)) {
pr_err("Error bits: %s%s%s%s%s%s%s%s\n",
reg_val & (1<<29) ? "ED " : "",
reg_val & (1<<28) ? "ET " : "",
@@ -1577,7 +1579,7 @@ asmlinkage void do_ftlb(void)
/* For the moment, report the problem and hang. */
if (cpu_has_mips_r2 &&
- ((current_cpu_data.processor_id && 0xff0000) == PRID_COMP_MIPS)) {
+ ((current_cpu_data.processor_id & 0xff0000) == PRID_COMP_MIPS)) {
pr_err("FTLB error exception, cp0_ecc=0x%08x:\n",
read_c0_ecc());
pr_err("cp0_errorepc == %0*lx\n", field, read_c0_errorepc());