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authorJean-Francois Moine <moinejf@free.fr>2008-11-18 12:33:08 +0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-11-24 17:01:07 +0300
commit98522a7be97f2b23451342e36c39f412f0461e24 (patch)
tree49da3f3aa6d3b2ffc2cd6143cbcbd79de3b7be51 /drivers/media/video/gspca/vc032x.c
parent818a557eeb9c16a9a2dc93df348b0ff68fbc487f (diff)
downloadlinux-98522a7be97f2b23451342e36c39f412f0461e24.tar.xz
V4L/DVB (9689): gspca: Memory leak when disconnect while streaming.
As a side effect, the sd routine stop0 is called on disconnect. This permits the subdriver to free its resources. Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca/vc032x.c')
-rw-r--r--drivers/media/video/gspca/vc032x.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c
index be46d9232540..17af353ddd1c 100644
--- a/drivers/media/video/gspca/vc032x.c
+++ b/drivers/media/video/gspca/vc032x.c
@@ -1633,10 +1633,13 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
reg_w(dev, 0xa0, 0x09, 0xb003);
}
+/* called on streamoff with alt 0 and on disconnect */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
struct usb_device *dev = gspca_dev->dev;
+ if (!gspca_dev->present)
+ return;
reg_w(dev, 0x89, 0xffff, 0xffff);
}