diff options
Diffstat (limited to 'drivers/video/omap2/omapfb/omapfb-sysfs.c')
| -rw-r--r-- | drivers/video/omap2/omapfb/omapfb-sysfs.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/video/omap2/omapfb/omapfb-sysfs.c b/drivers/video/omap2/omapfb/omapfb-sysfs.c index 74c11b243100..724b760404f2 100644 --- a/drivers/video/omap2/omapfb/omapfb-sysfs.c +++ b/drivers/video/omap2/omapfb/omapfb-sysfs.c @@ -452,13 +452,7 @@ static ssize_t store_size(struct device *dev, struct device_attribute *attr, rg = ofbi->region; - /* FIXME probably should be a rwsem ... */ - mutex_lock(&rg->mtx); - while (rg->ref) { - mutex_unlock(&rg->mtx); - schedule(); - mutex_lock(&rg->mtx); - } + down_write(&rg->lock); if (atomic_read(&rg->map_count)) { r = -EBUSY; @@ -490,7 +484,7 @@ static ssize_t store_size(struct device *dev, struct device_attribute *attr, r = count; out: - mutex_unlock(&rg->mtx); + up_write(&rg->lock); unlock_fb_info(fbi); |