releases/5.0.12/sunrpc-fix-uninitialized-variable-warning.patch

From 6acbebab3a823ece44985b6e44ac31b6a5eb1659 Mon Sep 17 00:00:00 2001
From: Alakesh Haloi <alakesh.haloi@gmail.com>
Date: Tue, 26 Mar 2019 02:00:01 +0000
Subject: SUNRPC: fix uninitialized variable warning
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[ Upstream commit 01f2f5b82a2b523ae76af53f2ff43c48dde10a00 ]

Avoid following compiler warning on uninitialized variable

net/sunrpc/xprtsock.c: In function ‘xs_read_stream_request.constprop’:
net/sunrpc/xprtsock.c:525:10: warning: ‘read’ may be used uninitialized in this function [-Wmaybe-uninitialized]
   return read;
          ^~~~
net/sunrpc/xprtsock.c:529:23: warning: ‘ret’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  return ret < 0 ? ret : read;
         ~~~~~~~~~~~~~~^~~~~~

Signed-off-by: Alakesh Haloi <alakesh.haloi@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
---
 net/sunrpc/xprtsock.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 7754aa3e434f..f88c2bd1335a 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -486,8 +486,8 @@ xs_read_stream_request(struct sock_xprt *transport, struct msghdr *msg,
 		int flags, struct rpc_rqst *req)
 {
 	struct xdr_buf *buf = &req->rq_private_buf;
-	size_t want, read;
-	ssize_t ret;
+	size_t want, uninitialized_var(read);
+	ssize_t uninitialized_var(ret);
 
 	xs_read_header(transport, buf);
 
-- 
2.19.1