net-util: call ioctl() only if necessary

In case when update of current values is not necessary we still might end up
calling ioctl(), because need_update variable is not explicitly initialized.

diff --git a/src/udev/net/ethtool-util.c b/src/udev/net/ethtool-util.c
index 68ddd25..c644f91 100644 (file)
--- a/src/udev/net/ethtool-util.c
+++ b/src/udev/net/ethtool-util.c
@@ -67,7 +67,7 @@ int ethtool_set_speed(int fd, const char *ifname, unsigned int speed, Duplex dup
 {
         struct ifreq ifr;
         struct ethtool_cmd ecmd;
 {
         struct ifreq ifr;
         struct ethtool_cmd ecmd;

-        bool need_update;
+        bool need_update = false;

         int r;
 
         if (speed == 0 && duplex == _DUP_INVALID)
         int r;
 
         if (speed == 0 && duplex == _DUP_INVALID)


@@ -120,7 +120,7 @@ int ethtool_set_speed(int fd, const char *ifname, unsigned int speed, Duplex dup
 int ethtool_set_wol(int fd, const char *ifname, WakeOnLan wol) {
         struct ifreq ifr;
         struct ethtool_wolinfo ecmd;
 int ethtool_set_wol(int fd, const char *ifname, WakeOnLan wol) {
         struct ifreq ifr;
         struct ethtool_wolinfo ecmd;

-        bool need_update;
+        bool need_update = false;

         int r;
 
         if (wol == _WOL_INVALID)
         int r;
 
         if (wol == _WOL_INVALID)