From 73b2d3ee4bbdbfba7db035d9b89a2bcffc15e1ba Mon Sep 17 00:00:00 2001 From: Andrea Claudi Date: Mon, 29 Apr 2019 20:08:08 +0200 Subject: [PATCH] tipc/bearer: Prevent NULL pointer dereference Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1465646 Upstream Status: iproute2.git commit 70a6df3962b84 commit 70a6df3962b8448fc9c28d72606828a004ed5b6b Author: Phil Sutter Date: Thu Aug 24 11:46:34 2017 +0200 tipc/bearer: Prevent NULL pointer dereference Signed-off-by: Phil Sutter --- tipc/bearer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tipc/bearer.c b/tipc/bearer.c index c3d4491f8f6ef..0d84570150624 100644 --- a/tipc/bearer.c +++ b/tipc/bearer.c @@ -439,7 +439,7 @@ static int cmd_bearer_enable(struct nlmsghdr *nlh, const struct cmd *cmd, return err; opt = get_opt(opts, "media"); - if (strcmp(opt->val, "udp") == 0) { + if (opt && strcmp(opt->val, "udp") == 0) { err = nl_add_udp_enable_opts(nlh, opts, cmdl); if (err) return err; -- 2.20.1