linux-kernel - [PATCH] scsi: aic7xxx_core: remove unnecessary null check before kfree

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Message-ID: <20171112083429.GA21682@embeddedor.com>
Date:   Sun, 12 Nov 2017 02:34:29 -0600
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Hannes Reinecke <hare@...e.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] scsi: aic7xxx_core: remove unnecessary null check before
 kfree

NULL check before freeing functions like kfree is not needed.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/scsi/aic7xxx/aic7xxx_core.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
index 6612ff3..8d96e11 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_core.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_core.c
@@ -4549,10 +4549,8 @@ 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
-- 
2.7.4