Messages in this thread Patch in this message | | | Date | Fri, 4 Mar 2011 17:15:18 +0000 | From | Al Viro <> | Subject | [PATCH 2/2] btrfs: check link counter overflow in link(2) |
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> --- fs/btrfs/inode.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 099d64c..8a6df03 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4826,6 +4826,9 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir, if (root->objectid != BTRFS_I(inode)->root->objectid) return -EPERM; + if (inode->i_nlink == ~0U) + return -EMLINK; + btrfs_inc_nlink(inode); inode->i_ctime = CURRENT_TIME; -- 1.7.2.5
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