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| author | Hans de Goede <hdegoede@redhat.com> | 2009-06-14 01:56:22 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-06-23 10:11:07 +0400 |
| commit | b8bfb5fb348d939a96fc8f71996a2e5e48b4544b (patch) | |
| tree | c9e058777f5f0869166eeadd23a9f0baac037d5c | |
| parent | 14422f9dd8515bfbe6fdbde37eadf59e2980f104 (diff) | |
| download | linux-b8bfb5fb348d939a96fc8f71996a2e5e48b4544b.tar.xz | |
V4L/DVB (12071): gspca: fix NULL pointer deref in query_ctrl
gspca: fix NULL pointer deref in query_ctrl
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/video/gspca/gspca.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index f7e0355ad644..1e89600986c8 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -1042,13 +1042,11 @@ static int vidioc_queryctrl(struct file *file, void *priv, for (i = 0; i < gspca_dev->sd_desc->nctrls; i++) { if (gspca_dev->ctrl_dis & (1 << i)) continue; - if (ctrls->qctrl.id < id) + if (gspca_dev->sd_desc->ctrls[i].qctrl.id < id) continue; - if (ctrls != NULL) { - if (gspca_dev->sd_desc->ctrls[i].qctrl.id + if (ctrls && gspca_dev->sd_desc->ctrls[i].qctrl.id > ctrls->qctrl.id) - continue; - } + continue; ctrls = &gspca_dev->sd_desc->ctrls[i]; } } else { |