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(parent: 322a8b0) | patch
fs/9p: Add fid before dentry instantiation
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Mon, 25 Jul 2011 18:06:32 +0000 (18:06 +0000)
committerEric Van Hensbergen <ericvh@gmail.com>
Mon, 8 Aug 2011 18:08:55 +0000 (13:08 -0500)
commit8300256a898506121e330c99b24a65385ea5d47b
treef1bffa7c3b78911c961bf5cbbfe381101cd3f773tree | snapshot
parent322a8b034003c0d46d39af85bf24fee27b902f48commit | diff
fs/9p: Add fid before dentry instantiation

d_instantiate marks the dentry positive. So a parallel lookup and mkdir of
the directory can find dentry that doesn't have fid attached. This can result
in both the code path doing v9fs_fid_add which results in v9fs_dentry leak.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
fs/9p/vfs_inode.c diff | blob | history
fs/9p/vfs_inode_dotl.c diff | blob | history
Linux kernel for KaRo TX COM modules