diff mbox

Prevent null pointer derefernce of pdev

Message ID 1304937144-15806-1-git-send-email-huzaifas@redhat.com (mailing list archive)
State Accepted
Headers show

Commit Message

Huzaifa Sidhpurwala May 9, 2011, 10:32 a.m. UTC 
Make sure pdev is not dereferenced when it is null

Signed-off-by: Huzaifa Sidhpurwala <huzaifas@redhat.com>
---
 drivers/media/video/pwc/pwc-if.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
diff mbox

Patch

diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c
index 780af5f..356cd42 100644
--- a/drivers/media/video/pwc/pwc-if.c
+++ b/drivers/media/video/pwc/pwc-if.c
@@ -1850,7 +1850,6 @@  static void usb_pwc_disconnect(struct usb_interface *intf)
 	} else {
 		/* Device is closed, so we can safely unregister it */
 		PWC_DEBUG_PROBE("Unregistering video device in disconnect().\n");
-		pwc_cleanup(pdev);
 
 disconnect_out:
 		/* search device_hint[] table if we occupy a slot, by any chance */
@@ -1860,6 +1859,7 @@  disconnect_out:
 	}
 
 	mutex_unlock(&pdev->modlock);
+	pwc_cleanup(pdev);
 }