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authorChuck Lever <chuck.lever@oracle.com>2016-03-01 21:06:47 +0300
committerJ. Bruce Fields <bfields@redhat.com>2016-03-02 00:06:39 +0300
commitf3ea53fb3bc3908b6e9ef39e53a75b55df7f78f8 (patch)
tree8a4114f5dcdffce6166fbf77eded7b2638d4c2ee /include/linux/sunrpc
parenta6081b82c533d78041acb76738716aa7dafb339a (diff)
downloadlinux-f3ea53fb3bc3908b6e9ef39e53a75b55df7f78f8.tar.xz
svcrdma: Use correct XID in error replies
When constructing an error reply, svc_rdma_xdr_encode_error() needs to view the client's request message so it can get the failing request's XID. svc_rdma_xdr_decode_req() is supposed to return a pointer to the client's request header. But if it fails to decode the client's message (and thus an error reply is needed) it does not return the pointer. The server then sends a bogus XID in the error reply. Instead, unconditionally generate the pointer to the client's header in svc_rdma_recvfrom(), and pass that pointer to both functions. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Devesh Sharma <devesh.sharma@broadcom.com> Tested-by: Devesh Sharma <devesh.sharma@broadcom.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/svc_rdma.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index 42e852230a03..c2b0d95602d8 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -199,7 +199,7 @@ extern int svc_rdma_handle_bc_reply(struct rpc_xprt *xprt,
struct xdr_buf *rcvbuf);
/* svc_rdma_marshal.c */
-extern int svc_rdma_xdr_decode_req(struct rpcrdma_msg **, struct svc_rqst *);
+extern int svc_rdma_xdr_decode_req(struct rpcrdma_msg *, struct svc_rqst *);
extern int svc_rdma_xdr_encode_error(struct svcxprt_rdma *,
struct rpcrdma_msg *,
enum rpcrdma_errcode, __be32 *);