diff options
| -rw-r--r-- | src/lib/shm_ap_rbuff.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/lib/shm_ap_rbuff.c b/src/lib/shm_ap_rbuff.c index 6c977cbb..6c04ccc5 100644 --- a/src/lib/shm_ap_rbuff.c +++ b/src/lib/shm_ap_rbuff.c @@ -245,18 +245,17 @@ struct rb_entry * shm_ap_rbuff_read(struct shm_ap_rbuff * rb) if (rb == NULL) return NULL; - e = malloc(sizeof(*e)); - if (e == NULL) - return NULL; - pthread_mutex_lock(rb->shm_mutex); if (shm_rbuff_used(rb) == 0) { pthread_mutex_unlock(rb->shm_mutex); - free(e); return NULL; } + e = malloc(sizeof(*e)); + if (e == NULL) + return NULL; + *e = *(rb->shm_base + *rb->ptr_tail); *rb->ptr_tail = (*rb->ptr_tail + 1) & (SHM_RBUFF_SIZE -1); |