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>

1 files changed, 4 insertions, 2 deletions

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;
 }