netdev - [PATCH iproute2] rdma: stat: initialize ret in stat_qp_show_parse

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Message-Id: <2b6d2d8c4fdcf53baea43c9fbe9f929d99257809.1618350667.git.aclaudi@redhat.com>
Date:   Wed, 14 Apr 2021 00:50:57 +0200
From:   Andrea Claudi <aclaudi@...hat.com>
To:     netdev@...r.kernel.org
Cc:     stephen@...workplumber.org, dsahern@...il.com
Subject: [PATCH iproute2] rdma: stat: initialize ret in stat_qp_show_parse_cb()

In the unlikely case in which the mnl_attr_for_each_nested() cycle is
not executed, this function return an uninitialized value.

Fix this initializing ret to 0.

Fixes: 5937552b42e4 ("rdma: Add "stat qp show" support")
Signed-off-by: Andrea Claudi <aclaudi@...hat.com>
---
 rdma/stat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rdma/stat.c b/rdma/stat.c
index 75d45288..3abedae7 100644
--- a/rdma/stat.c
+++ b/rdma/stat.c
@@ -307,7 +307,7 @@ static int stat_qp_show_parse_cb(const struct nlmsghdr *nlh, void *data)
 	struct rd *rd = data;
 	const char *name;
 	uint32_t idx;
-	int ret;
+	int ret = 0;
 
 	mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
 	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
-- 
2.30.2