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 Cc: Mike Marciniszyn Signed-off-by: Greg Kroah-Hartman — drivers/staging/rdma/hfi1/user_sdma.c | 3 +– 1 file changed, 1 insertion(+), 2 deletions(-) diff –git a/drivers/staging/rdma/hfi1/user_sdma.c …