Author: Julia Lawall <Julia.Lawall@lip6.fr> Remove unneeded NULL test. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression x; @@ -if (x != NULL) \(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x); // Signed-off-by: Julia Lawall Signed-off-by: Jiri Kosina — drivers/block/pktcdvd.c | 3 +– 1 file changed, 1 insertion(+), 2 deletions(-) diff –git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 4c20c22..49375a4 …