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authorMarcus Meissner <meissner@novell.com>2011-07-04 01:30:29 +0000
committerDavid S. Miller <davem@davemloft.net>2011-07-04 21:37:41 -0700
commitc349a528cd47e2272ded0ea358363855e86180da (patch)
treedea71c512c96728337724c8dbc012f74abb7ba27 /net/ipv4
parent2fb83cd618be34546fb526a9051eceaa95517026 (diff)
net: bind() fix error return on wrong address family
Hi, Reinhard Max also pointed out that the error should EAFNOSUPPORT according to POSIX. The Linux manpages have it as EINVAL, some other OSes (Minix, HPUX, perhaps BSD) use EAFNOSUPPORT. Windows uses WSAEFAULT according to MSDN. Other protocols error values in their af bind() methods in current mainline git as far as a brief look shows: EAFNOSUPPORT: atm, appletalk, l2tp, llc, phonet, rxrpc EINVAL: ax25, bluetooth, decnet, econet, ieee802154, iucv, netlink, netrom, packet, rds, rose, unix, x25, No check?: can/raw, ipv6/raw, irda, l2tp/l2tp_ip Ciao, Marcus Signed-off-by: Marcus Meissner <meissner@suse.de> Cc: Reinhard Max <max@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/af_inet.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index eae1f676f87..ef1528af7ab 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -465,8 +465,10 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
if (addr_len < sizeof(struct sockaddr_in))
goto out;
- if (addr->sin_family != AF_INET)
+ if (addr->sin_family != AF_INET) {
+ err = -EAFNOSUPPORT;
goto out;
+ }
chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);