summaryrefslogtreecommitdiffstats
path: root/arch/openrisc/kernel/signal.c
diff options
context:
space:
mode:
authorH. Peter Anvin <hpa@linux.intel.com>2013-01-29 23:59:09 +0100
committerH. Peter Anvin <hpa@linux.intel.com>2013-01-30 00:10:15 +0100
commitde65d816aa44f9ddd79861ae21d75010cc1fd003 (patch)
tree04a637a43b2e52a733d0dcb7595a47057571e7da /arch/openrisc/kernel/signal.c
parentx86, mm: Let "memmap=" take more entries one time (diff)
parentx86, boot: Sanitize boot_params if not zeroed on creation (diff)
downloadlinux-de65d816aa44f9ddd79861ae21d75010cc1fd003.tar.xz
linux-de65d816aa44f9ddd79861ae21d75010cc1fd003.zip
Merge remote-tracking branch 'origin/x86/boot' into x86/mm2
Coming patches to x86/mm2 require the changes and advanced baseline in x86/boot. Resolved Conflicts: arch/x86/kernel/setup.c mm/nobootmem.c Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/openrisc/kernel/signal.c')
-rw-r--r--arch/openrisc/kernel/signal.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c
index 30110297f4f9..ddedc8a77861 100644
--- a/arch/openrisc/kernel/signal.c
+++ b/arch/openrisc/kernel/signal.c
@@ -84,7 +84,6 @@ asmlinkage long _sys_rt_sigreturn(struct pt_regs *regs)
{
struct rt_sigframe *frame = (struct rt_sigframe __user *)regs->sp;
sigset_t set;
- stack_t st;
/*
* Since we stacked the signal on a dword boundary,
@@ -104,11 +103,10 @@ asmlinkage long _sys_rt_sigreturn(struct pt_regs *regs)
if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
goto badframe;
- if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st)))
- goto badframe;
/* It is more difficult to avoid calling this function than to
call it and ignore errors. */
- do_sigaltstack(&st, NULL, regs->sp);
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->sp) == -EFAULT)
+ goto badframe;
return regs->gpr[11];