From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Thu, 20 Nov 2014 22:23:20 +0000 Subject: [PATCH 1/1] SCSI-aic94xx: Deletion of an unnecessary check before the function call "kfree" Message-Id: <546E69D8.4040002@users.sourceforge.net> List-Id: References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.so urceforge.net> In-Reply-To: <5317A59D.4@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "James E. J. Bottomley" , linux-scsi@vger.kernel.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Thu, 20 Nov 2014 23:18:56 +0100 The kfree() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/scsi/aic94xx/aic94xx_init.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index c56741f..0bfdcba 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -597,8 +597,7 @@ static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha) if (asd_ha->hw_prof.scb_ext) asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext); - if (asd_ha->hw_prof.ddb_bitmap) - kfree(asd_ha->hw_prof.ddb_bitmap); + kfree(asd_ha->hw_prof.ddb_bitmap); asd_ha->hw_prof.ddb_bitmap = NULL; for (i = 0; i < ASD_MAX_PHYS; i++) { -- 2.1.3