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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>
Mon, 15 Aug 2011 14:17:59 +0000 (09:17 -0500)
commitbef56fdc2df66fa573c2a4b080563aa957473ebd
tree5e0fc7218d1a678190d6d49f6a99c3c32597312etree | snapshot
parent93ee7a9340d64f20295aacc3fb6a22b759323280commit | 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