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BUG/MINOR: dns: dns_connect_server must return -1 unsupported nameserver's type

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This patch fix returns code in case of dns_connect_server is called
on unsupported type (which should not happen). Doing this we have
the warranty that after a return 0 the fd is never -1.

This patch should fix github issues #1127, #1128 and #1130
This commit is contained in:
Emeric Brun 2021-02-15 14:28:27 +01:00 committed by Christopher Faulet
parent 538bb0441c
commit 526b79219e
1 changed files with 3 additions and 1 deletions
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4
src/dns.c
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@ -75,8 +75,10 @@ static int dns_connect_nameserver(struct dns_nameserver *ns)
dgram->t.sock.fd = fd;
fd_insert(fd, dgram, dgram_fd_handler, MAX_THREADS_MASK);
fd_want_recv(fd);
return 0;
}
return 0;
return -1;
}
/* Sends a message to a name server