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dco-linux: remove M_ERRNO flag when printing netlink error message

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Netlink has its own error space and reports errors via the return
value of its functions.

For this reason remove the M_ERRNO flag when printing its errors.
At the moment we get something like this:

netlink reports error (-7): Invalid input data or parameter: Interrupted
system call (errno=4)

where the errno=4 (and its human readable representation) is a leftover
from the previous recv() interrupted by a signal and it is totally
unrelated to this netlink failure.

Signed-off-by: Antonio Quartulli <a@unstable.cc>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <20230320195820.6675-1-a@unstable.cc>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg26452.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>
This commit is contained in:
Antonio Quartulli 2023-03-20 20:58:20 +01:00 committed by Gert Doering
parent 1726401892
commit 23903fd579
1 changed files with 1 additions and 1 deletions
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2
src/openvpn/dco_linux.c
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@ -153,7 +153,7 @@ ovpn_nl_recvmsgs(dco_context_t *dco, const char *prefix)
default:
if (ret)
{
msg(M_NONFATAL|M_ERRNO, "%s: netlink reports error (%d): %s", prefix, ret, nl_geterror(-ret));
msg(M_NONFATAL, "%s: netlink reports error (%d): %s", prefix, ret, nl_geterror(-ret));
}
break;
}