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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-09 17:14:38 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-09 17:14:38 +1100
commitbcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71 (patch)
tree2f6dffd2d3e4dd67355a224de7e7a960335a92fd /arch/arm/kernel/signal.c
parent11c34c7deaeeebcee342cbc35e1bb2a6711b2431 (diff)
parent3ff6a468b45b5dfeb0e903e56f4eb27d34b2437c (diff)
Merge commit 'origin/master' into next
Conflicts: include/linux/kvm.h
Diffstat (limited to 'arch/arm/kernel/signal.c')
-rw-r--r--arch/arm/kernel/signal.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 2a573d4fea2..e7714f367eb 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -662,8 +662,12 @@ static void do_signal(struct pt_regs *regs, int syscall)
regs->ARM_sp -= 4;
usp = (u32 __user *)regs->ARM_sp;
- put_user(regs->ARM_pc, usp);
- regs->ARM_pc = KERN_RESTART_CODE;
+ if (put_user(regs->ARM_pc, usp) == 0) {
+ regs->ARM_pc = KERN_RESTART_CODE;
+ } else {
+ regs->ARM_sp += 4;
+ force_sigsegv(0, current);
+ }
#endif
}
}