From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH] SCSI-aic7...: Delete unnecessary checks before the function call "kfree" Date: Thu, 05 Feb 2015 22:27:51 +0100 Message-ID: <54D3E057.9030600@users.sourceforge.net> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5317A59D.4@users.sourceforge.net> Sender: linux-kernel-owner@vger.kernel.org To: Hannes Reinecke , "James E. J. Bottomley" , linux-scsi@vger.kernel.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall List-Id: linux-scsi@vger.kernel.org From: Markus Elfring Date: Thu, 5 Feb 2015 22:23:48 +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/aic7xxx/aic7xxx_core.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c index 10172a3..98a5ed1 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_core.c +++ b/drivers/scsi/aic7xxx/aic7xxx_core.c @@ -2200,8 +2200,7 @@ ahc_free_tstate(struct ahc_softc *ahc, u_int scsi_id, char channel, int force) if (channel == 'B') scsi_id += 8; tstate = ahc->enabled_targets[scsi_id]; - if (tstate != NULL) - kfree(tstate); + kfree(tstate); ahc->enabled_targets[scsi_id] = NULL; } #endif @@ -4482,8 +4481,7 @@ ahc_set_unit(struct ahc_softc *ahc, int unit) void ahc_set_name(struct ahc_softc *ahc, char *name) { - if (ahc->name != NULL) - kfree(ahc->name); + kfree(ahc->name); ahc->name = name; } @@ -4550,10 +4548,8 @@ ahc_free(struct ahc_softc *ahc) kfree(ahc->black_hole); } #endif - if (ahc->name != NULL) - kfree(ahc->name); - if (ahc->seep_config != NULL) - kfree(ahc->seep_config); + kfree(ahc->name); + kfree(ahc->seep_config); #ifndef __FreeBSD__ kfree(ahc); #endif @@ -4958,8 +4954,7 @@ ahc_fini_scbdata(struct ahc_softc *ahc) case 0: break; } - if (scb_data->scbarray != NULL) - kfree(scb_data->scbarray); + kfree(scb_data->scbarray); } static void -- 2.2.2