linux-kernel - [PATCH 20/24] staging: vme: Remove NULL check before kfree

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Message-Id: <1299994157-11191-21-git-send-email-imirkin@alum.mit.edu>
Date:	Sun, 13 Mar 2011 00:29:13 -0500
From:	Ilia Mirkin <imirkin@...m.mit.edu>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 20/24] staging: vme: Remove NULL check before kfree

This patch was generated by the following semantic patch:
// <smpl>
@@ expression E; @@
- if (E != NULL) { kfree(E); }
+ kfree(E);

@@ expression E; @@
- if (E != NULL) { kfree(E); E = NULL; }
+ kfree(E);
+ E = NULL;
// </smpl>

Signed-off-by: Ilia Mirkin <imirkin@...m.mit.edu>
---
 drivers/staging/vme/bridges/vme_ca91cx42.c |    3 +--
 drivers/staging/vme/bridges/vme_tsi148.c   |    3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.c b/drivers/staging/vme/bridges/vme_ca91cx42.c
index 5d734d9..d4a48c4 100644
--- a/drivers/staging/vme/bridges/vme_ca91cx42.c
+++ b/drivers/staging/vme/bridges/vme_ca91cx42.c
@@ -516,8 +516,7 @@ static int ca91cx42_alloc_resource(struct vme_master_resource *image,
 	if (existing_size != 0) {
 		iounmap(image->kern_base);
 		image->kern_base = NULL;
-		if (image->bus_resource.name != NULL)
-			kfree(image->bus_resource.name);
+		kfree(image->bus_resource.name);
 		release_resource(&image->bus_resource);
 		memset(&image->bus_resource, 0, sizeof(struct resource));
 	}
diff --git a/drivers/staging/vme/bridges/vme_tsi148.c b/drivers/staging/vme/bridges/vme_tsi148.c
index 2df19ea..b00a53e 100644
--- a/drivers/staging/vme/bridges/vme_tsi148.c
+++ b/drivers/staging/vme/bridges/vme_tsi148.c
@@ -821,8 +821,7 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
 	if (existing_size != 0) {
 		iounmap(image->kern_base);
 		image->kern_base = NULL;
-		if (image->bus_resource.name != NULL)
-			kfree(image->bus_resource.name);
+		kfree(image->bus_resource.name);
 		release_resource(&image->bus_resource);
 		memset(&image->bus_resource, 0, sizeof(struct resource));
 	}
-- 
1.7.3.4

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