Bug 1376494 - NULL check argument to PK11_FreeSymKey, r=rrelyea

sailfishos-mirror · Aug 21, 2017 · 77f8cc1 · 77f8cc1
1 parent 2479819
commit 77f8cc1
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/pk11wrap/pk11skey.c b/lib/pk11wrap/pk11skey.c
@@ -182,6 +182,10 @@ PK11_FreeSymKey(PK11SymKey *symKey)
     PK11SlotInfo *slot;
     PRBool freeit = PR_TRUE;
 
+    if (!symKey) {
+        return;
+    }
+
     if (PR_ATOMIC_DECREMENT(&symKey->refCount) == 0) {
         PK11SymKey *parent = symKey->parent;