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| author | Paul Mackerras <paulus@samba.org> | 2008-06-30 10:16:50 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-06-30 10:16:50 +1000 |
| commit | e9a4b6a3f6592862a67837e80aad3f50468857a6 (patch) | |
| tree | 087420cf91ac922c7e99757c4490a605ec7b10f2 /fs/block_dev.c | |
| parent | 441dbb500b4344a8e3125e5aabab4f9dbf72514f (diff) | |
| parent | 1702b52092e9a6d05398d3f9581ddc050ef00d06 (diff) | |
| download | lwn-e9a4b6a3f6592862a67837e80aad3f50468857a6.tar.gz lwn-e9a4b6a3f6592862a67837e80aad3f50468857a6.zip | |
Merge branch 'linux-2.6'
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 470c10ceb0fb..10d8a0aa871a 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -931,8 +931,16 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) struct gendisk *disk; int ret; int part; + int perm = 0; - ret = devcgroup_inode_permission(bdev->bd_inode, file->f_mode); + if (file->f_mode & FMODE_READ) + perm |= MAY_READ; + if (file->f_mode & FMODE_WRITE) + perm |= MAY_WRITE; + /* + * hooks: /n/, see "layering violations". + */ + ret = devcgroup_inode_permission(bdev->bd_inode, perm); if (ret != 0) return ret; |