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-rw-r--r--arch/avr32/kernel/signal.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
index 5616a00c10ba..c5b11f9067f1 100644
--- a/arch/avr32/kernel/signal.c
+++ b/arch/avr32/kernel/signal.c
@@ -93,6 +93,9 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
goto badframe;
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->sp) == -EFAULT)
+ goto badframe;
+
pr_debug("Context restored: pc = %08lx, lr = %08lx, sp = %08lx\n",
regs->pc, regs->lr, regs->sp);