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Fix one more fallout from r227791: do not overwrite trimmed sa_len

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on the ia_sockmask when doing SIOCSIFNETMASK.

Reported by:	Stefan Bethke <stb lassitu.de>, gonzo
Pointy hat to:	glebius
This commit is contained in:
Gleb Smirnoff 2011-11-28 13:30:14 +00:00
parent 64c4a83782
commit 89b9325530
1 changed files with 2 additions and 1 deletions
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3
sys/netinet/in.c
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@ -533,7 +533,8 @@ in_control(struct socket *so, u_long cmd, caddr_t data, struct ifnet *ifp,
goto out;
case SIOCSIFNETMASK:
ia->ia_sockmask = *(struct sockaddr_in *)&ifr->ifr_addr;
ia->ia_sockmask.sin_addr = ((struct sockaddr_in *)
&ifr->ifr_addr)->sin_addr;
ia->ia_subnetmask = ntohl(ia->ia_sockmask.sin_addr.s_addr);
goto out;