V4L/DVB (6207): pvrusb2: Fix a potential oops in an error leg cleanup

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 2d5be5c..5d90452 100644 (file)
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -2172,6 +2172,7 @@ static void pvr2_hdw_remove_usb_stuff(struct pvr2_hdw *hdw)
 /* Destroy hardware interaction structure */
 void pvr2_hdw_destroy(struct pvr2_hdw *hdw)
 {
+       if (!hdw) return;
        pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_destroy: hdw=%p",hdw);
        if (hdw->fw_buffer) {
                kfree(hdw->fw_buffer);