netdev - [RFC iproute2-next 11/16] iproute: don't do assignment in condition

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Date:   Thu,  1 Feb 2018 17:19:41 -0800
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     dsahern@...il.com
Cc:     netdev@...r.kernel.org, Stephen Hemminger <sthemmin@...rosoft.com>,
        Stephen Hemminger <stephen@...workplumber.org>
Subject: [RFC iproute2-next 11/16] iproute: don't do assignment in condition

Fix checkpatch complaints about assignment in conditions.

Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
---
 ip/iproute.c | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/ip/iproute.c b/ip/iproute.c
index b466f9eb8cad..55b2f51e3987 100644
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -652,7 +652,8 @@ int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
 		struct nlmsghdr *fn;
 
 		if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) {
-			if ((ret = flush_update()) < 0)
+			ret = flush_update();
+			if (ret < 0)
 				return ret;
 		}
 		fn = (struct nlmsghdr *)(filter.flushb + NLMSG_ALIGN(filter.flushp));
@@ -826,7 +827,8 @@ static int parse_one_nh(struct nlmsghdr *n, struct rtmsg *r,
 			}
 		} else if (strcmp(*argv, "dev") == 0) {
 			NEXT_ARG();
-			if ((rtnh->rtnh_ifindex = ll_name_to_index(*argv)) == 0) {
+			rtnh->rtnh_ifindex = ll_name_to_index(*argv);
+			if (rtnh->rtnh_ifindex == 0) {
 				fprintf(stderr, "Cannot find device \"%s\"\n", *argv);
 				return -1;
 			}
@@ -1325,9 +1327,9 @@ static int iproute_modify(int cmd, unsigned int flags, int argc, char **argv)
 		usage();
 
 	if (d) {
-		int idx;
+		int idx = ll_name_to_index(d);
 
-		if ((idx = ll_name_to_index(d)) == 0) {
+		if (idx == 0) {
 			fprintf(stderr, "Cannot find device \"%s\"\n", d);
 			return -1;
 		}
@@ -1657,7 +1659,8 @@ static int iproute_list_flush_or_save(int argc, char **argv, int action)
 		int idx;
 
 		if (id) {
-			if ((idx = ll_name_to_index(id)) == 0) {
+			idx = ll_name_to_index(id);
+			if (idx == 0) {
 				fprintf(stderr, "Cannot find device \"%s\"\n", id);
 				return -1;
 			}
@@ -1665,7 +1668,8 @@ static int iproute_list_flush_or_save(int argc, char **argv, int action)
 			filter.iifmask = -1;
 		}
 		if (od) {
-			if ((idx = ll_name_to_index(od)) == 0) {
+			idx = ll_name_to_index(od);
+			if (idx == 0) {
 				fprintf(stderr, "Cannot find device \"%s\"\n", od);
 				return -1;
 			}
@@ -1715,7 +1719,8 @@ static int iproute_list_flush_or_save(int argc, char **argv, int action)
 				return 0;
 			}
 			round++;
-			if ((ret = flush_update()) < 0)
+			ret = flush_update();
+			if (ret < 0)
 				return ret;
 
 			if (time(0) - start > 30) {
@@ -1866,14 +1871,16 @@ static int iproute_get(int argc, char **argv)
 		int idx;
 
 		if (idev) {
-			if ((idx = ll_name_to_index(idev)) == 0) {
+			idx = ll_name_to_index(idev);
+			if (idx == 0) {
 				fprintf(stderr, "Cannot find device \"%s\"\n", idev);
 				return -1;
 			}
 			addattr32(&req.n, sizeof(req), RTA_IIF, idx);
 		}
 		if (odev) {
-			if ((idx = ll_name_to_index(odev)) == 0) {
+			idx = ll_name_to_index(odev);
+			if (idx == 0) {
 				fprintf(stderr, "Cannot find device \"%s\"\n", odev);
 				return -1;
 			}
-- 
2.15.1