diff options
| author | Denys Vlasenko | 2018-03-27 23:54:54 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2018-03-27 23:55:43 +0200 |
| commit | 46ba2468a3de85076ce92ce8e8cc7a086bac69f0 (patch) | |
| tree | ae1a4ae876f126e9e158ee4e95f36462aeffbf1c | |
| parent | 98592db3231caa905e6d54129c621f3e8e9bbaa3 (diff) | |
| download | busybox-46ba2468a3de85076ce92ce8e8cc7a086bac69f0.zip busybox-46ba2468a3de85076ce92ce8e8cc7a086bac69f0.tar.gz | |
ioctl(SIOCGIFINDEX) does not require clearing of entire ifr
function old new delta
INET6_setroute 492 472 -20
do_iplink 1357 1330 -27
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-47) Total: -47 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | networking/libiproute/iplink.c | 2 | ||||
| -rw-r--r-- | networking/route.c | 2 | ||||
| -rw-r--r-- | networking/udhcp/d6_socket.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/networking/libiproute/iplink.c b/networking/libiproute/iplink.c index 2aa8b68..9c164a7 100644 --- a/networking/libiproute/iplink.c +++ b/networking/libiproute/iplink.c @@ -161,7 +161,7 @@ static int get_address(char *dev, int *htype) s = xsocket(PF_PACKET, SOCK_DGRAM, 0); - memset(&ifr, 0, sizeof(ifr)); + /*memset(&ifr, 0, sizeof(ifr)); - SIOCGIFINDEX does not need to clear all */ strncpy_IFNAMSIZ(ifr.ifr_name, dev); xioctl(s, SIOCGIFINDEX, &ifr); diff --git a/networking/route.c b/networking/route.c index 6edc0f6..8387ce1 100644 --- a/networking/route.c +++ b/networking/route.c @@ -444,7 +444,7 @@ static NOINLINE void INET6_setroute(int action, char **args) if (devname) { struct ifreq ifr; - memset(&ifr, 0, sizeof(ifr)); + /*memset(&ifr, 0, sizeof(ifr)); - SIOCGIFINDEX does not need to clear all */ strncpy_IFNAMSIZ(ifr.ifr_name, devname); xioctl(skfd, SIOCGIFINDEX, &ifr); rt.rtmsg_ifindex = ifr.ifr_ifindex; diff --git a/networking/udhcp/d6_socket.c b/networking/udhcp/d6_socket.c index 315c8d9..6ad53a9 100644 --- a/networking/udhcp/d6_socket.c +++ b/networking/udhcp/d6_socket.c @@ -63,7 +63,7 @@ int FAST_FUNC d6_read_interface(const char *interface, int *ifindex, struct in6_ struct ifreq ifr; int fd; - memset(&ifr, 0, sizeof(ifr)); + /*memset(&ifr, 0, sizeof(ifr)); - SIOCGIFINDEX does not need to clear all */ strncpy_IFNAMSIZ(ifr.ifr_name, interface); fd = xsocket(AF_INET6, SOCK_RAW, IPPROTO_RAW); if (ioctl(fd, SIOCGIFINDEX, &ifr) == 0) { |