From: Hans de Goede <hdegoede@redhat.com>
Date: Thu, 29 Dec 2011 19:50:57 +0000 (-0300)
Subject: [media] gscpa_vicam: Fix oops if unplugged while streaming
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=27d3e366091b13c26d5d996709fd9d99858455eb;p=linux-beck.git

[media] gscpa_vicam: Fix oops if unplugged while streaming

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/video/gspca/vicam.c b/drivers/media/video/gspca/vicam.c
index 81dd4c99d025..8423ee1c305c 100644
--- a/drivers/media/video/gspca/vicam.c
+++ b/drivers/media/video/gspca/vicam.c
@@ -324,7 +324,8 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
 	dev->work_thread = NULL;
 	mutex_lock(&gspca_dev->usb_lock);
 
-	vicam_set_camera_power(gspca_dev, 0);
+	if (gspca_dev->present)
+		vicam_set_camera_power(gspca_dev, 0);
 }
 
 /* Table of supported USB devices */