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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>
Tue, 6 Sep 2011 13:17:14 +0000 (08:17 -0500)
commit5441ae5eb3614d3c28f77073370738a2820c88e4
treeeb61016b762edb343051e5724527eb1484555085tree
parentddf28352b80c86754a6424e3a61e8bdf9213b3c7commit | 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 | blame | history
fs/9p/vfs_inode_dotl.c diff | blob | blame | history
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