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-rw-r--r--src/libsystemd/sd-event/sd-event.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libsystemd/sd-event/sd-event.c b/src/libsystemd/sd-event/sd-event.c
index 1a82c4c940..1905ebfc73 100644
--- a/src/libsystemd/sd-event/sd-event.c
+++ b/src/libsystemd/sd-event/sd-event.c
@@ -1123,8 +1123,8 @@ _public_ int sd_event_add_signal(
callback = signal_exit_callback;
r = pthread_sigmask(SIG_SETMASK, NULL, &ss);
- if (r < 0)
- return -errno;
+ if (r != 0)
+ return -r;
if (!sigismember(&ss, sig))
return -EBUSY;