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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-01-08 09:10:21 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-02-01 10:13:47 -0500 |
| commit | a4f0835c604f80f945ab3e72ffd00547145c4b2b (patch) | |
| tree | cd883841bad19e0ab7e7aa435bbcac572836ff9e /net/sunrpc/xprt.c | |
| parent | 88b62b915b0b7e25870eb0604ed9a92ba4bfc9f7 (diff) | |
| download | linux-a4f0835c604f80f945ab3e72ffd00547145c4b2b.tar.gz linux-a4f0835c604f80f945ab3e72ffd00547145c4b2b.tar.bz2 linux-a4f0835c604f80f945ab3e72ffd00547145c4b2b.zip | |
SUNRPC: Eliminate task->tk_xprt accesses that bypass rcu_dereference()
tk_xprt is just a shortcut for tk_client->cl_xprt, however cl_xprt is
defined as an __rcu variable. Replace dereferences of tk_xprt with
non-rcu dereferences where it is safe to do so.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/xprt.c')
| -rw-r--r-- | net/sunrpc/xprt.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 33811db8788a..738ad59628cd 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -430,7 +430,9 @@ __xprt_put_cong(struct rpc_xprt *xprt, struct rpc_rqst *req) */ void xprt_release_rqst_cong(struct rpc_task *task) { - __xprt_put_cong(task->tk_xprt, task->tk_rqstp); + struct rpc_rqst *req = task->tk_rqstp; + + __xprt_put_cong(req->rq_xprt, req); } EXPORT_SYMBOL_GPL(xprt_release_rqst_cong); |