lsns: fix clang compiler warning

../sys-utils/lsns.c:360:8: warning: comparison of integers of different signs: '__u32' (aka 'unsigned int') and 'int' [-Wsign-compare] if (!(NLMSG_OK(nlh, reslen) ^~~~~~~~~~~~~~~~~~~~~ /usr/include/linux/netlink.h:90:24: note: expanded from macro 'NLMSG_OK' (nlh)->nlmsg_len <= (len)) ~~~~~~~~~~~~~~~~ ^ ~~~ Signed-off-by: Ruediger Meier <[email protected]>
openfans-community-offical · Feb 16, 2018 · 58b29ee · 58b29ee
1 parent 497a261
commit 58b29ee
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/sys-utils/lsns.c b/sys-utils/lsns.c
@@ -347,7 +347,8 @@ static int get_netnsid_via_netlink_recv_response(int *netnsid)
 			      < RTA_SPACE(sizeof(struct nlmsgerr)))
 			     ? RTA_SPACE(sizeof(struct nlmsgerr))
 			     : RTA_SPACE(sizeof(int32_t)))];
-	int reslen, rtalen;
+	int rtalen;
+	ssize_t reslen;
 
 	struct nlmsghdr *nlh;
 	struct rtattr *rta;
@@ -357,7 +358,7 @@ static int get_netnsid_via_netlink_recv_response(int *netnsid)
 		return -1;
 
 	nlh = (struct nlmsghdr *)res;
-	if (!(NLMSG_OK(nlh, reslen)
+	if (!(NLMSG_OK(nlh, (size_t)reslen)
 	      && nlh->nlmsg_type == RTM_NEWNSID))
 		return -1;