[PATCHv2 iproute2 1/3] ipmaddr: use preferred_family when given
From: Mahesh Bandewar <hidden>
Date: 2018-08-21 21:10:01
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Mahesh Bandewar <redacted> When creating socket() AF_INET is used irrespective of the family that is given at the command-line (with -4, -6, or -0). This change will open the socket with the preferred family. Signed-off-by: Mahesh Bandewar <redacted> --- ip/ipmaddr.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/ip/ipmaddr.c b/ip/ipmaddr.c
index a48499029e17..abf83784d0df 100644
--- a/ip/ipmaddr.c
+++ b/ip/ipmaddr.c@@ -289,6 +289,7 @@ static int multiaddr_list(int argc, char **argv) static int multiaddr_modify(int cmd, int argc, char **argv) { struct ifreq ifr = {}; + int family; int fd; if (cmd == RTM_NEWADDR)
@@ -324,7 +325,17 @@ static int multiaddr_modify(int cmd, int argc, char **argv) exit(-1); } - fd = socket(AF_INET, SOCK_DGRAM, 0); + switch (preferred_family) { + case AF_INET6: + case AF_PACKET: + case AF_INET: + family = preferred_family; + break; + default: + family = AF_INET; + } + + fd = socket(family, SOCK_DGRAM, 0); if (fd < 0) { perror("Cannot create socket"); exit(1);
--
2.18.0.865.gffc8e1a3cd6-goog