From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Tue, 17 Nov 2015 09:00:31 +0100

The functions kmem_cache_destroy() and mempool_destroy() test whether
their argument is NULL and then return immediately.
Thus the tests around their calls are not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 drivers/scsi/scsi_lib.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index dd8ad2a..13973a3 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2298,10 +2298,8 @@ int __init scsi_init_queue(void)
 cleanup_sdb:
        for (i = 0; i < SG_MEMPOOL_NR; i++) {
                struct scsi_host_sg_pool *sgp = scsi_sg_pools + i;
-               if (sgp->pool)
-                       mempool_destroy(sgp->pool);
-               if (sgp->slab)
-                       kmem_cache_destroy(sgp->slab);
+               mempool_destroy(sgp->pool);
+               kmem_cache_destroy(sgp->slab);
        }
        kmem_cache_destroy(scsi_sdb_cache);
 
-- 
2.6.2

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