linux-kernel - RE: [PATCH 1/1] SCSI-bfa: Deletion of an unnecessary check before the function call "vfree"

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Message-ID: <20B1A3CBD98F3845B3F5F56D8597EF59FD4B5D@avmb2.qlogic.org>
Date:	Fri, 21 Nov 2014 04:20:04 +0000
From:	Anil Gurumurthy <Anil.Gurumurthy@...gic.com>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>,
	"James E. J. Bottomley" <JBottomley@...allels.com>,
	Sudarsana Kalluru <Sudarsana.Kalluru@...gic.com>,
	linux-scsi <linux-scsi@...r.kernel.org>
CC:	linux-kernel <linux-kernel@...r.kernel.org>,
	"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
	"Julia Lawall" <julia.lawall@...6.fr>
Subject: RE: [PATCH 1/1] SCSI-bfa: Deletion of an unnecessary check before
 the function call "vfree"

Patch looks good. 
Thanks!
Acked-by: Anil Gurumurthy <anil.gurumurthy@...gic.com>

-----Original Message-----
From: SF Markus Elfring [mailto:elfring@...rs.sourceforge.net] 
Sent: 21 November 2014 04:17
To: Anil Gurumurthy; James E. J. Bottomley; Sudarsana Kalluru; linux-scsi
Cc: linux-kernel; kernel-janitors@...r.kernel.org; Julia Lawall
Subject: [PATCH 1/1] SCSI-bfa: Deletion of an unnecessary check before the function call "vfree"

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Thu, 20 Nov 2014 23:43:17 +0100

The vfree() function performs also input parameter validation. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/scsi/bfa/bfad_debugfs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/bfa/bfad_debugfs.c b/drivers/scsi/bfa/bfad_debugfs.c index 8e83d04..a72170f 100644
--- a/drivers/scsi/bfa/bfad_debugfs.c
+++ b/drivers/scsi/bfa/bfad_debugfs.c
@@ -399,8 +399,7 @@ bfad_debugfs_release_fwtrc(struct inode *inode, struct file *file)
 	if (!fw_debug)
 		return 0;
 
-	if (fw_debug->debug_buffer)
-		vfree(fw_debug->debug_buffer);
+	vfree(fw_debug->debug_buffer);
 
 	file->private_data = NULL;
 	kfree(fw_debug);
--
2.1.3

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