diff options
Diffstat (limited to 'drivers/char/drm/drm_ioctl.c')
-rw-r--r-- | drivers/char/drm/drm_ioctl.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/char/drm/drm_ioctl.c b/drivers/char/drm/drm_ioctl.c index bcd4e604d3e..555f323b8a3 100644 --- a/drivers/char/drm/drm_ioctl.c +++ b/drivers/char/drm/drm_ioctl.c @@ -194,9 +194,9 @@ int drm_getmap(struct inode *inode, struct file *filp, return -EFAULT; idx = map.offset; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); if (idx < 0) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EINVAL; } @@ -209,7 +209,7 @@ int drm_getmap(struct inode *inode, struct file *filp, i++; } if (!r_list || !r_list->map) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EINVAL; } @@ -219,7 +219,7 @@ int drm_getmap(struct inode *inode, struct file *filp, map.flags = r_list->map->flags; map.handle = (void *)(unsigned long)r_list->user_token; map.mtrr = r_list->map->mtrr; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); if (copy_to_user(argp, &map, sizeof(map))) return -EFAULT; @@ -253,11 +253,11 @@ int drm_getclient(struct inode *inode, struct file *filp, if (copy_from_user(&client, argp, sizeof(client))) return -EFAULT; idx = client.idx; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next) ; if (!pt) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EINVAL; } client.auth = pt->authenticated; @@ -265,7 +265,7 @@ int drm_getclient(struct inode *inode, struct file *filp, client.uid = pt->uid; client.magic = pt->magic; client.iocs = pt->ioctl_count; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); if (copy_to_user(argp, &client, sizeof(client))) return -EFAULT; @@ -292,7 +292,7 @@ int drm_getstats(struct inode *inode, struct file *filp, memset(&stats, 0, sizeof(stats)); - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); for (i = 0; i < dev->counters; i++) { if (dev->types[i] == _DRM_STAT_LOCK) @@ -305,7 +305,7 @@ int drm_getstats(struct inode *inode, struct file *filp, stats.count = dev->counters; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); if (copy_to_user((drm_stats_t __user *) arg, &stats, sizeof(stats))) return -EFAULT; |