From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 22 Jan 2012 18:11:19 +0000 (+0100)
Subject: remove flags for device settings that could not be applied successfully
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=ccac483fb60917eb83765b4942a9c778c017471a;p=oweals%2Fnetifd.git

remove flags for device settings that could not be applied successfully
---

diff --git a/system-linux.c b/system-linux.c
index 34d7cae..aa3aeda 100644
--- a/system-linux.c
+++ b/system-linux.c
@@ -602,15 +602,18 @@ system_if_apply_settings(struct device *dev, struct device_settings *s)
 	strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name));
 	if (s->flags & DEV_OPT_MTU) {
 		ifr.ifr_mtu = s->mtu;
-		ioctl(sock_ioctl, SIOCSIFMTU, &ifr);
+		if (ioctl(sock_ioctl, SIOCSIFMTU, &ifr) < 0)
+			s->flags &= ~DEV_OPT_MTU;
 	}
 	if (s->flags & DEV_OPT_TXQUEUELEN) {
 		ifr.ifr_qlen = s->txqueuelen;
-		ioctl(sock_ioctl, SIOCSIFTXQLEN, &ifr);
+		if (ioctl(sock_ioctl, SIOCSIFTXQLEN, &ifr) < 0)
+			s->flags &= ~DEV_OPT_TXQUEUELEN;
 	}
 	if (s->flags & DEV_OPT_MACADDR) {
 		memcpy(&ifr.ifr_hwaddr, s->macaddr, sizeof(s->macaddr));
-		ioctl(sock_ioctl, SIOCSIFHWADDR, &ifr);
+		if (ioctl(sock_ioctl, SIOCSIFHWADDR, &ifr) < 0)
+			s->flags &= ~DEV_OPT_MACADDR;
 	}
 }