[PATCH AUTOSEL 5.0 67/98] SUNRPC: fix uninitialized variable warning

From: Sasha Levin
Date: Mon Apr 22 2019 - 15:44:19 EST


From: Alakesh Haloi <alakesh.haloi@xxxxxxxxx>

[ Upstream commit 01f2f5b82a2b523ae76af53f2ff43c48dde10a00 ]

Avoid following compiler warning on uninitialized variable

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

Signed-off-by: Alakesh Haloi <alakesh.haloi@xxxxxxxxx>
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin (Microsoft) <sashal@xxxxxxxxxx>
---
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