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Report error on dhcp_release

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If no IPv4 address is present on given interface, the tool would not
send any request. It would not report any error at the same time. Report
error if request send failed.

Signed-off-by: Petr Mensik <pemensik@redhat.com>
This commit is contained in:
Petr Menšík
2019-10-07 18:19:19 +01:00
committed by Simon Kelley
parent e710c34469
commit 6fe436a448
1 changed files with 5 additions and 1 deletions
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6
contrib/lease-tools/dhcp_release.c
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@@ -223,7 +223,11 @@ static struct in_addr find_interface(struct in_addr client, int fd, unsigned int
ifr->ifr_addr.sa_family = AF_INET; ifr->ifr_addr.sa_family = AF_INET;
if (ioctl(ifrfd, SIOCGIFADDR, ifr) != -1) if (ioctl(ifrfd, SIOCGIFADDR, ifr) != -1)
return ((struct sockaddr_in *)&ifr->ifr_addr)->sin_addr; return ((struct sockaddr_in *)&ifr->ifr_addr)->sin_addr;
exit(0); else
{
fprintf(stderr, "error: local IPv4 address not found\n");
exit(1);
}
} }
else if (h->nlmsg_type == RTM_NEWADDR) else if (h->nlmsg_type == RTM_NEWADDR)
{ {