[2.6 patch] drivers/ieee1394/raw1394.c: fix a NULL pointer dereference

[Adrian Bunk]

The coverity checker spotted that this was a NULL pointer dereference in 
the "if (copy_from_user(...))" case.


Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>

--- linux-2.6.15-rc1-mm2-full/drivers/ieee1394/raw1394.c.old	2005-11-20 22:08:57.000000000 +0100
+++ linux-2.6.15-rc1-mm2-full/drivers/ieee1394/raw1394.c	2005-11-20 22:09:34.000000000 +0100
@@ -2166,7 +2166,8 @@
 			}
 		}
 	}
-	kfree(cache->filled_head);
+	if(cache->filled_head)
+		kfree(cache->filled_head);
 	kfree(cache);
 
 	if (ret >= 0) {

-
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