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Fix handling of qdis without options

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Some qdisc like htb want the parse_qopt to be called even if no options
present. Fixes regression caused by:

e9e78b0db0 is the first bad commit
commit e9e78b0db0
Author: Stephen Hemminger <stephen@networkplumber.org>
Date:   Mon Aug 26 08:41:19 2013 -0700

    tc: allow qdisc without options
This commit is contained in:
Stephen Hemminger 2013-10-27 12:26:47 -07:00
parent 1253a10a63
commit 0a502b21e3
1 changed files with 8 additions and 7 deletions
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9
tc/tc_qdisc.c
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@ -137,15 +137,16 @@ static int tc_qdisc_modify(int cmd, unsigned flags, int argc, char **argv)
if (est.ewma_log)
addattr_l(&req.n, sizeof(req), TCA_RATE, &est, sizeof(est));
if (argc) {
if (q) {
if (!q->parse_qopt) {
if (q->parse_qopt) {
if (q->parse_qopt(q, argc, argv, &req.n))
return 1;
} else if (argc) {
fprintf(stderr, "qdisc '%s' does not support option parsing\n", k);
return -1;
}
if (q->parse_qopt(q, argc, argv, &req.n))
return 1;
} else {
if (argc) {
if (matches(*argv, "help") == 0)
usage();