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Subject[08/55] nfsd4: Fix filp leak
2.6.38-stable review patch.  If anyone has any objections, please let us know.

------------------

From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>

commit a96e5b90804be8b540d30f4a1453fc87f95b3149 upstream.

23fcf2ec93fb8573a653408316af599939ff9a8e (nfsd4: fix oops on lock failure)

The above patch breaks free path for stp->st_file. If stp was inserted
into sop->so_stateids, we have to free stp->st_file refcount. Because
stp->st_file refcount itself is taken whether or not any refcounts are
taken on the stp->st_file->fi_fds[].

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
fs/nfsd/nfs4state.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -403,8 +403,8 @@ static void free_generic_stateid(struct
if (stp->st_access_bmap) {
oflag = nfs4_access_bmap_to_omode(stp);
nfs4_file_put_access(stp->st_file, oflag);
- put_nfs4_file(stp->st_file);
}
+ put_nfs4_file(stp->st_file);
kmem_cache_free(stateid_slab, stp);
}




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