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nss_dns: Remove superfluous dn_expand call from network handling

This commit is contained in:
Florian Weimer 2017-04-04 14:13:03 +02:00
parent 07d6f1a3ca
commit 75b3a15e07
2 changed files with 8 additions and 5 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2017-04-04 Florian Weimer <fweimer@redhat.com>
* resolv/nss_dns/dns-network.c (getanswer_r): Remove __dn_expand
call whose result is not used.
2017-04-04 Florian Weimer <fweimer@redhat.com>
* resolv/tst-ns_name.c, resolv/tst-ns_name.data: New file.

8
resolv/nss_dns/dns-network.c
View File

@ -324,11 +324,8 @@ getanswer_r (const querybuf *answer, int anslen, struct netent *result,
while (--answer_count >= 0 && cp < end_of_message)
{
int n = dn_expand (answer->buf, end_of_message, cp, bp, linebuflen);
int type, class;
n = __ns_name_unpack (answer->buf, end_of_message, cp,
packtmp, sizeof packtmp);
int n = __ns_name_unpack (answer->buf, end_of_message, cp,
packtmp, sizeof packtmp);
if (n != -1 && __ns_name_ntop (packtmp, bp, linebuflen) == -1)
{
if (errno == EMSGSIZE)
@ -350,6 +347,7 @@ getanswer_r (const querybuf *answer, int anslen, struct netent *result,
return NSS_STATUS_UNAVAIL;
}
int type, class;
GETSHORT (type, cp);
GETSHORT (class, cp);
cp += INT32SZ; /* TTL */