diff options
Diffstat (limited to 'arch/s390/kernel/signal.c')
-rw-r--r-- | arch/s390/kernel/signal.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 6e0110d7119..13592d00a10 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -254,9 +254,9 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) if (restore_sigregs(regs, &frame->uc.uc_mcontext)) goto badframe; - /* It is more difficult to avoid calling this function than to - call it and ignore errors. */ - do_sigaltstack(&frame->uc.uc_stack, NULL, regs->gprs[15]); + if (do_sigaltstack(&frame->uc.uc_stack, NULL, + regs->gprs[15]) == -EFAULT) + goto badframe; return regs->gprs[2]; badframe: |