diff options
Diffstat (limited to 'drivers/video/omap2/omapfb/omapfb-sysfs.c')
| -rw-r--r-- | drivers/video/omap2/omapfb/omapfb-sysfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/omap2/omapfb/omapfb-sysfs.c b/drivers/video/omap2/omapfb/omapfb-sysfs.c index 1e714bb..51c13c3 100644 --- a/drivers/video/omap2/omapfb/omapfb-sysfs.c +++ b/drivers/video/omap2/omapfb/omapfb-sysfs.c @@ -453,6 +453,7 @@ static ssize_t store_size(struct device *dev, struct device_attribute *attr, rg = ofbi->region; down_write_nested(&rg->lock, rg->id); + atomic_inc(&rg->lock_count); if (atomic_read(&rg->map_count)) { r = -EBUSY; @@ -484,6 +485,7 @@ static ssize_t store_size(struct device *dev, struct device_attribute *attr, r = count; out: + atomic_dec(&rg->lock_count); up_write(&rg->lock); unlock_fb_info(fbi); |