* [Patch iproute2] tc: fill in handle before checking argc
@ 2015-05-05 22:30 Cong Wang
2015-05-11 16:13 ` Stephen Hemminger
0 siblings, 1 reply; 2+ messages in thread
From: Cong Wang @ 2015-05-05 22:30 UTC (permalink / raw)
To: netdev; +Cc: Cong Wang, Jamal Hadi Salim, Stephen Hemminger
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>
---
tc/f_basic.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/tc/f_basic.c b/tc/f_basic.c
index 1c33ca3..4adf1d2 100644
--- a/tc/f_basic.c
+++ b/tc/f_basic.c
@@ -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);
--
1.8.3.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [Patch iproute2] tc: fill in handle before checking argc
2015-05-05 22:30 [Patch iproute2] tc: fill in handle before checking argc Cong Wang
@ 2015-05-11 16:13 ` Stephen Hemminger
0 siblings, 0 replies; 2+ messages in thread
From: Stephen Hemminger @ 2015-05-11 16:13 UTC (permalink / raw)
To: Cong Wang; +Cc: netdev, Jamal Hadi Salim
On Tue, 5 May 2015 15:30:20 -0700
Cong Wang <xiyou.wangcong@gmail.com> wrote:
> 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>
Applied
^ permalink raw reply [flat|nested] 2+ messages in thread
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