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authorChuck Lever <chuck.lever@oracle.com>2020-03-25 14:38:07 -0400
committerChuck Lever <chuck.lever@oracle.com>2020-07-13 17:28:24 -0400
commit605c61bee5b13bc9d597192779865a1a707166ed (patch)
tree3625a0d618ef9e1402efd37f3ad15547f90f2759 /net/sunrpc/xprtrdma/svc_rdma_sendto.c
parentsvcrdma: Add a @status parameter to svc_rdma_send_error_msg() (diff)
downloadlinux-dev-605c61bee5b13bc9d597192779865a1a707166ed.tar.xz
linux-dev-605c61bee5b13bc9d597192779865a1a707166ed.zip
svcrdma: Eliminate return value for svc_rdma_send_error_msg()
Like svc_rdma_send_error(), have svc_rdma_send_error_msg() handle any error conditions internally, rather than duplicating that recovery logic at every call site. Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_sendto.c')
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_sendto.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index 73fe7a213169..fb548b548c4b 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -810,10 +810,10 @@ static int svc_rdma_send_reply_msg(struct svcxprt_rdma *rdma,
*
* Remote Invalidation is skipped for simplicity.
*/
-static int svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
- struct svc_rdma_send_ctxt *sctxt,
- struct svc_rdma_recv_ctxt *rctxt,
- int status)
+static void svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
+ struct svc_rdma_send_ctxt *sctxt,
+ struct svc_rdma_recv_ctxt *rctxt,
+ int status)
{
__be32 *rdma_argp = rctxt->rc_recv_buf;
__be32 *p;
@@ -825,7 +825,7 @@ static int svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
p = xdr_reserve_space(&sctxt->sc_stream,
rpcrdma_fixed_maxsz * sizeof(*p));
if (!p)
- return -ENOMSG;
+ goto put_ctxt;
*p++ = *rdma_argp;
*p++ = *(rdma_argp + 1);
@@ -836,7 +836,7 @@ static int svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
case -EPROTONOSUPPORT:
p = xdr_reserve_space(&sctxt->sc_stream, 3 * sizeof(*p));
if (!p)
- return -ENOMSG;
+ goto put_ctxt;
*p++ = err_vers;
*p++ = rpcrdma_version;
@@ -846,7 +846,7 @@ static int svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
default:
p = xdr_reserve_space(&sctxt->sc_stream, sizeof(*p));
if (!p)
- return -ENOMSG;
+ goto put_ctxt;
*p = err_chunk;
trace_svcrdma_err_chunk(*rdma_argp);
@@ -855,7 +855,12 @@ static int svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
sctxt->sc_send_wr.num_sge = 1;
sctxt->sc_send_wr.opcode = IB_WR_SEND;
sctxt->sc_sges[0].length = sctxt->sc_hdrbuf.len;
- return svc_rdma_send(rdma, &sctxt->sc_send_wr);
+ if (svc_rdma_send(rdma, &sctxt->sc_send_wr))
+ goto put_ctxt;
+ return;
+
+put_ctxt:
+ svc_rdma_send_ctxt_put(rdma, sctxt);
}
/**
@@ -950,9 +955,7 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
* of previously posted RDMA Writes.
*/
svc_rdma_save_io_pages(rqstp, sctxt);
- ret = svc_rdma_send_error_msg(rdma, sctxt, rctxt, ret);
- if (ret < 0)
- goto err1;
+ svc_rdma_send_error_msg(rdma, sctxt, rctxt, ret);
return 0;
err1: