35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
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From 8fda4b4620ca2b23152ca805d14c7cde1083fe31 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com>
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Date: Tue, 1 Oct 2019 16:08:28 +0200
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Subject: [PATCH] Report error on dhcp_release
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If no IPv4 address is present on given interface, the tool would not
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send any request. It would not report any error at the same time. Report
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error if request send failed.
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Signed-off-by: Petr Mensik <pemensik@redhat.com>
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---
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contrib/lease-tools/dhcp_release.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/contrib/lease-tools/dhcp_release.c b/contrib/lease-tools/dhcp_release.c
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index c866cd9..30e77c6 100644
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--- a/contrib/lease-tools/dhcp_release.c
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+++ b/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
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ifr->ifr_addr.sa_family = AF_INET;
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if (ioctl(ifrfd, SIOCGIFADDR, ifr) != -1)
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return ((struct sockaddr_in *)&ifr->ifr_addr)->sin_addr;
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- exit(0);
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+ else
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+ {
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+ fprintf(stderr, "error: local IPv4 address not found\n");
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+ exit(1);
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+ }
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}
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else if (h->nlmsg_type == RTM_NEWADDR)
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{
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--
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2.20.1
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