From 03e7d28cd25ee6ff731386fb154d03f76dede1cc Mon Sep 17 00:00:00 2001 From: Matthieu Baerts Date: Thu, 8 Dec 2022 16:44:31 -0800 Subject: [PATCH] mptcp: return 0 instead of 'err' var When 'err' is 0, it looks clearer to return '0' instead of the variable called 'err'. The behaviour is then not modified, just a clearer code. By doing this, we can also avoid false positive smatch warnings like this one: net/mptcp/pm_netlink.c:1169 mptcp_pm_parse_pm_addr_attr() warn: missing error code? 'err' Reported-by: kernel test robot Reported-by: Dan Carpenter Suggested-by: Mat Martineau Reviewed-by: Mat Martineau Signed-off-by: Matthieu Baerts Signed-off-by: Mat Martineau Signed-off-by: Jakub Kicinski --- net/mptcp/pm_netlink.c | 4 ++-- net/mptcp/sockopt.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 08c65f3e70a33..2ea7eae43bdb1 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -1190,7 +1190,7 @@ static int mptcp_pm_parse_pm_addr_attr(struct nlattr *tb[], if (!tb[MPTCP_PM_ADDR_ATTR_FAMILY]) { if (!require_family) - return err; + return 0; NL_SET_ERR_MSG_ATTR(info->extack, attr, "missing family"); @@ -1224,7 +1224,7 @@ static int mptcp_pm_parse_pm_addr_attr(struct nlattr *tb[], if (tb[MPTCP_PM_ADDR_ATTR_PORT]) addr->port = htons(nla_get_u16(tb[MPTCP_PM_ADDR_ATTR_PORT])); - return err; + return 0; } int mptcp_pm_parse_addr(struct nlattr *attr, struct genl_info *info, diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index a47423ebb33a8..d4b1e6ec1b361 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -740,7 +740,7 @@ static int mptcp_setsockopt_v4_set_tos(struct mptcp_sock *msk, int optname, } release_sock(sk); - return err; + return 0; } static int mptcp_setsockopt_v4(struct mptcp_sock *msk, int optname, -- 2.30.2