diff options
| author | Amar Tumballi <amar@gluster.com> | 2010-07-27 11:13:32 +0000 |
|---|---|---|
| committer | Anand V. Avati <avati@dev.gluster.com> | 2010-07-28 03:34:48 -0700 |
| commit | 753146c0ff4b1b55892b71b36d6ca97797867aaa (patch) | |
| tree | 2e449e2c30f41248c6e533d7dde7dd381166725d /libglusterfs/src/event.c | |
| parent | 0aae2c46579421b871919e93619273d9a9bc79fb (diff) | |
some check added to the variables after GF_CALLOC
handles some NULL dereference problems
(reported by clang when ran with code where '#define GF_CALLOC NULL').
Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 966 (NULL check for avoiding NULL dereferencing of pointers..)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=966
Diffstat (limited to 'libglusterfs/src/event.c')
| -rw-r--r-- | libglusterfs/src/event.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libglusterfs/src/event.c b/libglusterfs/src/event.c index 3243e7f2320..59b1bd79eac 100644 --- a/libglusterfs/src/event.c +++ b/libglusterfs/src/event.c @@ -195,6 +195,8 @@ event_register_poll (struct event_pool *event_pool, int fd, event_pool->reg = GF_REALLOC (event_pool->reg, event_pool->count * sizeof (*event_pool->reg)); + if (!event_pool->reg) + goto unlock; } idx = event_pool->used++; @@ -239,6 +241,7 @@ event_register_poll (struct event_pool *event_pool, int fd, event_pool->changed = 1; } +unlock: pthread_mutex_unlock (&event_pool->mutex); return idx; @@ -402,6 +405,8 @@ event_dispatch_poll_resize (struct event_pool *event_pool, ufds = GF_CALLOC (sizeof (struct pollfd), event_pool->evcache_size, gf_common_mt_pollfd); + if (!ufds) + goto unlock; event_pool->evcache = ufds; } |