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SUNRPC fix regression in umount of a secure mount

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If call_status returns ENOTCONN, we need to re-establish the connection
state after. Otherwise the client goes into an infinite loop of call_encode,
call_transmit, call_status (ENOTCONN), call_encode.

Fixes: c8485e4d63 ("SUNRPC: Handle ECONNREFUSED correctly in xprt_transmit()")
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Cc: stable@vger.kernel.org # v2.6.29+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Olga Kornievskaia 2019-05-29 10:46:00 -04:00 committed by Anna Schumaker
parent 66d4218f99
commit ec6017d903
1 changed files with 1 additions and 1 deletions
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2
net/sunrpc/clnt.c
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@ -2288,13 +2288,13 @@ call_status(struct rpc_task *task)
case -ECONNREFUSED: case -ECONNREFUSED:
case -ECONNRESET: case -ECONNRESET:
case -ECONNABORTED: case -ECONNABORTED:
case -ENOTCONN:
rpc_force_rebind(clnt); rpc_force_rebind(clnt);
/* fall through */ /* fall through */
case -EADDRINUSE: case -EADDRINUSE:
rpc_delay(task, 3*HZ); rpc_delay(task, 3*HZ);
/* fall through */ /* fall through */
case -EPIPE: case -EPIPE:
case -ENOTCONN:
case -EAGAIN: case -EAGAIN:
break; break;
case -EIO: case -EIO: