fix duplicate bridge addif

[project/netifd.git] / system-linux.c

diff --git a/system-linux.c b/system-linux.c
index 2a85b28..8b9189d 100644 (file)
--- a/system-linux.c
+++ b/system-linux.c
@@ -101,7 +101,7 @@ static void system_set_sysctl(const char *path, const char *val)
 
 static void system_set_dev_sysctl(const char *path, const char *device, const char *val)
 {
-       char buf[256];
+       static char buf[256];
 
        snprintf(buf, sizeof(buf), path, val);
        system_set_sysctl(buf, val);
@@ -367,9 +367,12 @@ out:
  */
 void system_if_clear_state(struct device *dev)
 {
-       char buf[256];
+       static char buf[256];
        char *bridge;
 
+       if (dev->external)
+               return;
+
        dev->ifindex = system_if_resolve(dev);
        if (!dev->ifindex)
                return;