Commit b48633bd authored Apr 22, 2008 by Trond Myklebust

SUNRPC: Invalidate the RPCSEC_GSS session if the server dropped the request



RFC 2203 requires the server to drop the request if it believes the
RPCSEC_GSS context is out of sequence. The problem is that we have no way
on the client to know why the server dropped the request. In order to avoid
spinning forever trying to resend the request, the safe approach is
therefore to always invalidate the RPCSEC_GSS context on every major
timeout.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

parent a3dab293

net/sunrpc/clnt.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -1173,6 +1173,11 @@ call_timeout(struct rpc_task *task)
		clnt->cl_protname, clnt->cl_server);
		}
		rpc_force_rebind(clnt);
		/*
		* Did our request time out due to an RPCSEC_GSS out-of-sequence
		* event? RFC2203 requires the server to drop all such requests.
		*/
		rpcauth_invalcred(task);

		retry:
		clnt->cl_stats->rpcretrans++;

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