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libnl
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only perform automatic sequence checking if auto-ack mode is enabled

This commit is contained in:
Thomas Graf 2010-11-18 12:51:20 +01:00
parent 09daef3d83
commit 063a2ebf53
1 changed files with 11 additions and 7 deletions
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18
lib/nl.c
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@ -548,14 +548,18 @@ continue_reading:
/* Sequence number checking. The check may be done by
* the user, otherwise a very simple check is applied
* enforcing strict ordering */
if (cb->cb_set[NL_CB_SEQ_CHECK])
if (cb->cb_set[NL_CB_SEQ_CHECK]) {
NL_CB_CALL(cb, NL_CB_SEQ_CHECK, msg);
else if (hdr->nlmsg_seq != sk->s_seq_expect) {
if (cb->cb_set[NL_CB_INVALID])
NL_CB_CALL(cb, NL_CB_INVALID, msg);
else {
err = -NLE_SEQ_MISMATCH;
goto out;
/* Only do sequence checking if auto-ack mode is enabled */
} else if (!(sk->s_flags & NL_NO_AUTO_ACK)) {
if (hdr->nlmsg_seq != sk->s_seq_expect) {
if (cb->cb_set[NL_CB_INVALID])
NL_CB_CALL(cb, NL_CB_INVALID, msg);
else {
err = -NLE_SEQ_MISMATCH;
goto out;
}
}
}