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attach_to_bridge(): Improve error message.
author
Andre Noll
<maan@tuebingen.mpg.de>
Wed, 25 Mar 2020 12:50:25 +0000
(13:50 +0100)
committer
Andre Noll
<maan@tuebingen.mpg.de>
Wed, 25 Mar 2020 12:50:25 +0000
(13:50 +0100)
if_nametoindex() sets errno on errors, so let's print the error
string using %m.
util.c
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diff --git
a/util.c
b/util.c
index
ebe5b1e
..
08f4832
100644
(file)
--- a/
util.c
+++ b/
util.c
@@
-526,7
+526,7
@@
bool attach_to_bridge(const char *iface, const char *bridge)
INFO_LOG("adding interface %s to bridge %s\n", iface, bridge);
if (!(idx = if_nametoindex(iface))) {
- ERROR_LOG("no index for %s\n", iface);
+ ERROR_LOG("no index for %s
: %m
\n", iface);
return false;
}
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {