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tc: fill in handle before checking argc

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When deleting a specific basic filter with handle,
tc command always ignores the 'handle' option, so
tcm_handle is always 0 and kernel deletes all filters
in the selected group. This is wrong, we should respect
'handle' in cmdline.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
This commit is contained in:
WANG Cong 2015-05-05 15:30:20 -07:00 committed by Stephen Hemminger
parent f7dd7e5e71
commit 285e7768e8
1 changed files with 3 additions and 4 deletions
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7
tc/f_basic.c
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@ -43,9 +43,6 @@ static int basic_parse_opt(struct filter_util *qu, char *handle,
struct rtattr *tail;
long h = 0;
if (argc == 0)
return 0;
if (handle) {
h = strtol(handle, NULL, 0);
if (h == LONG_MIN || h == LONG_MAX) {
@ -54,9 +51,11 @@ static int basic_parse_opt(struct filter_util *qu, char *handle,
return -1;
}
}
t->tcm_handle = h;
if (argc == 0)
return 0;
tail = (struct rtattr*)(((void*)n)+NLMSG_ALIGN(n->nlmsg_len));
addattr_l(n, MAX_MSG, TCA_OPTIONS, NULL, 0);