diff options
| -rw-r--r-- | fs/block_dev.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index a2d5050c97ee..2b8c0586314f 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1520,15 +1520,13 @@ static int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder) struct block_device *claiming; bool unblock_events = true; struct gendisk *disk; - int perm = 0; int partno; int ret; - if (mode & FMODE_READ) - perm |= MAY_READ; - if (mode & FMODE_WRITE) - perm |= MAY_WRITE; - ret = devcgroup_inode_permission(bdev->bd_inode, perm); + ret = devcgroup_check_permission(DEVCG_DEV_BLOCK, + imajor(bdev->bd_inode), iminor(bdev->bd_inode), + ((mode & FMODE_READ) ? DEVCG_ACC_READ : 0) | + ((mode & FMODE_WRITE) ? DEVCG_ACC_WRITE : 0)); if (ret) goto bdput; |