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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-09-17 10:42:27 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-09-17 15:48:23 -0400
commit03c78827db35be20ffa71cb5ccd2cedb192f95d6 (patch)
treee64e3c88c8ff27ec1ebda067b088ae4dbbca59d2 /net
parent048883e0b934d9a5103d40e209cb14b7f33d2933 (diff)
downloadlinux-03c78827db35be20ffa71cb5ccd2cedb192f95d6.tar.bz2
SUNRPC: Fix races between socket connection and destroy code
When we're destroying the socket transport, we need to ensure that we cancel any existing delayed connection attempts, and order them w.r.t. the call to xs_close(). Reported-by:"Suzuki K. Poulose" <suzuki.poulose@arm.com> Acked-by: Jeff Layton <jlayton@poochiereds.net> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/xprtsock.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 7be90bc1a7c2..d2dfbd043bea 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -881,8 +881,11 @@ static void xs_xprt_free(struct rpc_xprt *xprt)
*/
static void xs_destroy(struct rpc_xprt *xprt)
{
+ struct sock_xprt *transport = container_of(xprt,
+ struct sock_xprt, xprt);
dprintk("RPC: xs_destroy xprt %p\n", xprt);
+ cancel_delayed_work_sync(&transport->connect_worker);
xs_close(xprt);
xs_xprt_free(xprt);
module_put(THIS_MODULE);