netdev - [PATCH iproute2-next 3/7] ip: iplink: Convert to use parse_on

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Date:   Sat, 14 Nov 2020 23:53:57 +0100
From:   Petr Machata <me@...chata.org>
To:     netdev@...r.kernel.org, dsahern@...il.com,
        stephen@...workplumber.org
Cc:     Petr Machata <me@...chata.org>
Subject: [PATCH iproute2-next 3/7] ip: iplink: Convert to use parse_on_off()

Invoke parse_on_off() instead of rolling a custom function.

Signed-off-by: Petr Machata <me@...chata.org>
---
 ip/iplink.c | 47 +++++++++++++++++------------------------------
 1 file changed, 17 insertions(+), 30 deletions(-)

diff --git a/ip/iplink.c b/ip/iplink.c
index d6b766de1fcf..f5766c39507b 100644
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -352,6 +352,7 @@ static int iplink_parse_vf(int vf, int *argcp, char ***argvp,
 	int len, argc = *argcp;
 	char **argv = *argvp;
 	struct rtattr *vfinfo;
+	int ret;
 
 	tivt.min_tx_rate = -1;
 	tivt.max_tx_rate = -1;
@@ -464,12 +465,9 @@ static int iplink_parse_vf(int vf, int *argcp, char ***argvp,
 			struct ifla_vf_spoofchk ivs;
 
 			NEXT_ARG();
-			if (matches(*argv, "on") == 0)
-				ivs.setting = 1;
-			else if (matches(*argv, "off") == 0)
-				ivs.setting = 0;
-			else
-				return on_off("spoofchk", *argv);
+			ivs.setting = parse_on_off("spoofchk", *argv, &ret);
+			if (ret)
+				return ret;
 			ivs.vf = vf;
 			addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK,
 				  &ivs, sizeof(ivs));
@@ -478,12 +476,9 @@ static int iplink_parse_vf(int vf, int *argcp, char ***argvp,
 			struct ifla_vf_rss_query_en ivs;
 
 			NEXT_ARG();
-			if (matches(*argv, "on") == 0)
-				ivs.setting = 1;
-			else if (matches(*argv, "off") == 0)
-				ivs.setting = 0;
-			else
-				return on_off("query_rss", *argv);
+			ivs.setting = parse_on_off("query_rss", *argv, &ret);
+			if (ret)
+				return ret;
 			ivs.vf = vf;
 			addattr_l(&req->n, sizeof(*req), IFLA_VF_RSS_QUERY_EN,
 				  &ivs, sizeof(ivs));
@@ -492,12 +487,9 @@ static int iplink_parse_vf(int vf, int *argcp, char ***argvp,
 			struct ifla_vf_trust ivt;
 
 			NEXT_ARG();
-			if (matches(*argv, "on") == 0)
-				ivt.setting = 1;
-			else if (matches(*argv, "off") == 0)
-				ivt.setting = 0;
-			else
-				invarg("Invalid \"trust\" value\n", *argv);
+			ivt.setting = parse_on_off("trust", *argv, &ret);
+			if (ret)
+				return ret;
 			ivt.vf = vf;
 			addattr_l(&req->n, sizeof(*req), IFLA_VF_TRUST,
 				  &ivt, sizeof(ivt));
@@ -595,6 +587,7 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req, char **type)
 	int index = 0;
 	int group = -1;
 	int addr_len = 0;
+	int err;
 
 	ret = argc;
 
@@ -738,12 +731,9 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req, char **type)
 			int carrier;
 
 			NEXT_ARG();
-			if (strcmp(*argv, "on") == 0)
-				carrier = 1;
-			else if (strcmp(*argv, "off") == 0)
-				carrier = 0;
-			else
-				return on_off("carrier", *argv);
+			carrier = parse_on_off("carrier", *argv, &err);
+			if (err)
+				return err;
 
 			addattr8(&req->n, sizeof(*req), IFLA_CARRIER, carrier);
 		} else if (strcmp(*argv, "vf") == 0) {
@@ -896,12 +886,9 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req, char **type)
 			unsigned int proto_down;
 
 			NEXT_ARG();
-			if (strcmp(*argv, "on") == 0)
-				proto_down = 1;
-			else if (strcmp(*argv, "off") == 0)
-				proto_down = 0;
-			else
-				return on_off("protodown", *argv);
+			proto_down = parse_on_off("protodown", *argv, &err);
+			if (err)
+				return err;
 			addattr8(&req->n, sizeof(*req), IFLA_PROTO_DOWN,
 				 proto_down);
 		} else if (strcmp(*argv, "protodown_reason") == 0) {
-- 
2.25.1