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authorDavid S. Miller <davem@davemloft.net>2008-07-05 23:08:07 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-05 23:08:07 -0700
commitea2aca084ba82aaf7c148d04914ceed8758ce08a (patch)
treedcb3f4f849cf48deac2dd3bafd5c2cd2f0e7dc79 /fs/block_dev.c
parentf3032be921cd126615ce3bfd7084e3d319f3f892 (diff)
parentc5a78ac00c400df29645e59938700301efb371d0 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: Documentation/feature-removal-schedule.txt drivers/net/wan/hdlc_fr.c drivers/net/wireless/iwlwifi/iwl-4965.c drivers/net/wireless/iwlwifi/iwl3945-base.c
Diffstat (limited to 'fs/block_dev.c')
-rw-r--r--fs/block_dev.c10
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;