diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2012-09-09 12:30:02 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-09-13 22:52:58 +0200 |
| commit | 844db450e6e2cf710752af1a019a877af390b541 (patch) | |
| tree | 0c43bce1f503d14cabdad012ff00b6a9c6ad41b8 /drivers/media/usb/gspca/sn9c20x.c | |
| parent | [media] gspca_finepix: Remove unnecessary lock/unlock call (diff) | |
| download | linux-844db450e6e2cf710752af1a019a877af390b541.tar.xz linux-844db450e6e2cf710752af1a019a877af390b541.zip | |
[media] gspca: Update / fix various comments wrt workqueue usb_lock usage
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/usb/gspca/sn9c20x.c')
| -rw-r--r-- | drivers/media/usb/gspca/sn9c20x.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/usb/gspca/sn9c20x.c b/drivers/media/usb/gspca/sn9c20x.c index b9c6f17eabb2..41f769fe340c 100644 --- a/drivers/media/usb/gspca/sn9c20x.c +++ b/drivers/media/usb/gspca/sn9c20x.c @@ -2197,8 +2197,10 @@ static void qual_upd(struct work_struct *work) struct gspca_dev *gspca_dev = &sd->gspca_dev; s32 qual = v4l2_ctrl_g_ctrl(sd->jpegqual); + /* To protect gspca_dev->usb_buf and gspca_dev->usb_err */ mutex_lock(&gspca_dev->usb_lock); PDEBUG(D_STREAM, "qual_upd %d%%", qual); + gspca_dev->usb_err = 0; set_quality(gspca_dev, qual); mutex_unlock(&gspca_dev->usb_lock); } |