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path: root/drivers/video/omap2/omapfb/omapfb-sysfs.c
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Diffstat (limited to 'drivers/video/omap2/omapfb/omapfb-sysfs.c')
-rw-r--r--drivers/video/omap2/omapfb/omapfb-sysfs.c10
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);

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