Fix potential null pointer dereference (#274)

Signed-off-by: Mateusz Kozlowski <mateusz.kozlowski@intel.com>
Open-CAS · Aug 3, 2020 · 653936b · 653936b
1 parent b3508e8
commit 653936b
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/source/kernel/trace_inode.c b/source/kernel/trace_inode.c
@@ -442,6 +442,9 @@ static void _fsm_init(iotrace_inode_tracer_t inode_tracer) {
 
     /* Allocate FS monitor */
     fsm = kzalloc(sizeof(*fsm), GFP_KERNEL);
+    if (!fsm) {
+        goto ERROR;
+    }
     refcount_set(&fsm->refcnt, 1);
 
     /* Allocate FS notify group for receiving fs events */
@@ -454,6 +457,9 @@ static void _fsm_init(iotrace_inode_tracer_t inode_tracer) {
     BUG_ON(fsm->group->private);
 
     priv = kzalloc(sizeof(struct iotrace_group_priv), GFP_KERNEL);
+    if (!priv) {
+        goto ERROR;
+    }
     priv->fsm = fsm;
     priv->mark_cache = kmem_cache_create(
             "fsmark_cache", sizeof(struct fsnotify_mark), 0, 0, NULL);