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svcrdma: Drop connection after an RDMA Read error

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commit 197115ebf358cb440c73e868b2a0a5ef728decc6 upstream.

When an RPC Call message cannot be pulled from the client, that
is a message loss, by definition. Close the connection to trigger
the client to resend.

Cc: <stable@vger.kernel.org>
Reviewed-by: Tom Talpey <tom@talpey.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chuck Lever 2023-10-10 13:23:41 -04:00 committed by Greg Kroah-Hartman
parent 541b3757fd
commit 057d1034d0
1 changed files with 2 additions and 1 deletions
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3
net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
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@ -852,7 +852,8 @@ out_readfail:
if (ret == -EINVAL)
svc_rdma_send_error(rdma_xprt, ctxt, ret);
svc_rdma_recv_ctxt_put(rdma_xprt, ctxt);
return ret;
svc_xprt_deferred_close(xprt);
return -ENOTCONN;
out_backchannel:
svc_rdma_handle_bc_reply(rqstp, ctxt);