diff options
Diffstat (limited to 'src/lib/notifier.c')
| -rw-r--r-- | src/lib/notifier.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/lib/notifier.c b/src/lib/notifier.c index 45745b9a..4fccd371 100644 --- a/src/lib/notifier.c +++ b/src/lib/notifier.c @@ -95,18 +95,14 @@ int notifier_reg(notifier_fn_t callback, pthread_rwlock_wrlock(¬ifier.lock); list_for_each(p, ¬ifier.listeners) { - struct listener * l = list_entry(p, struct listener, next); - if (l->callback == callback) { - pthread_rwlock_unlock(¬ifier.lock); - return -EPERM; - } + l = list_entry(p, struct listener, next); + if (l->callback == callback) + goto fail; } l = malloc(sizeof(*l)); - if (l == NULL) { - pthread_rwlock_unlock(¬ifier.lock); - return -ENOMEM; - } + if (l == NULL) + goto fail; l->callback = callback; l->obj = obj; @@ -116,6 +112,10 @@ int notifier_reg(notifier_fn_t callback, pthread_rwlock_unlock(¬ifier.lock); return 0; + fail: + pthread_rwlock_unlock(¬ifier.lock); + return -1; + } void notifier_unreg(notifier_fn_t callback) |