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-rw-r--r--fs/block_dev.c10
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;