diff options
Diffstat (limited to 'arch/um/os-Linux/signal.c')
| -rw-r--r-- | arch/um/os-Linux/signal.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c index e9800b0b568..37302e86fda 100644 --- a/arch/um/os-Linux/signal.c +++ b/arch/um/os-Linux/signal.c @@ -183,7 +183,8 @@ int change_sig(int signal, int on) sigemptyset(&sigset); sigaddset(&sigset, signal); - sigprocmask(on ? SIG_UNBLOCK : SIG_BLOCK, &sigset, &old); + if (sigprocmask(on ? SIG_UNBLOCK : SIG_BLOCK, &sigset, &old) < 0) + return -errno; return !sigismember(&old, signal); } |