From: Figo.zhang <figo1802@gmail.com>
Date: Sat, 6 Jun 2009 09:16:21 +0000 (-0300)
Subject: V4L/DVB (11995): zr364xx.c: vfree does its own NULL check
X-Git-Tag: firefly_0821_release~13887^2~62
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=de99d76aa19994f0d1140b1397fc439525e147c0;p=firefly-linux-kernel-4.4.55.git

V4L/DVB (11995): zr364xx.c: vfree does its own NULL check

vfree() does it's own NULL checking, no need for explicit check before
calling it.

Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c
index ac169c9eb18d..fc976f42f432 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;
 }