diff options
Diffstat (limited to 'drivers/video/omap2/omapfb/omapfb-ioctl.c')
| -rw-r--r-- | drivers/video/omap2/omapfb/omapfb-ioctl.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c index 69bcbfc..3a10146 100644 --- a/drivers/video/omap2/omapfb/omapfb-ioctl.c +++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c @@ -198,13 +198,7 @@ static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi) 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; @@ -235,7 +229,7 @@ static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi) } out: - mutex_unlock(&rg->mtx); + up_write(&rg->lock); return r; } |