From: "Figo.zhang" <figo1802@gmail.com>
To: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: Linux Media Mailing List <linux-media@vger.kernel.org>
Subject: [PATCH] zr364xx.c: vfree does its own NULL check
Date: Sat, 06 Jun 2009 17:16:21 +0800 [thread overview]
Message-ID: <1244279782.3185.9.camel@myhost> (raw)
vfree() does it's own NULL checking, no need for explicit check before
calling it.
Signed-off-by: Figo.zhang <figo1802@gmail.com>
---
drivers/media/video/zr364xx.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c
index ac169c9..fc976f4 100644
--- a/drivers/media/video/zr364xx.c
+++ b/drivers/media/video/zr364xx.c
@@ -882,9 +882,11 @@ static void zr364xx_disconnect(struct usb_interface *intf)
video_unregister_device(cam->vdev);
cam->vdev = NULL;
kfree(cam->buffer);
- if (cam->framebuf)
- vfree(cam->framebuf);
+ cam->buffer = NULL;
+ vfree(cam->framebuf);
+ cam->framebuf = NULL;
kfree(cam);
+ cam = NULL;
}
next reply other threads:[~2009-06-06 9:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-06 9:16 Figo.zhang [this message]
2009-06-15 16:02 ` [PATCH] zr364xx.c: vfree does its own NULL check Figo.zhang
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