summaryrefslogtreecommitdiff
path: root/tools/lib
diff options
context:
space:
mode:
authorKumar Kartikeya Dwivedi <memxor@gmail.com>2021-06-12 05:35:01 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2021-06-15 15:00:30 +0300
commitbbf29d3a2e49e482d5267311798aec42f00e88f3 (patch)
treeb6957bf4b95e51a4272f83ce8987323dfb5cad49 /tools/lib
parent4e164f8716853b879e2b1a21a12d54c57f11372e (diff)
downloadlinux-bbf29d3a2e49e482d5267311798aec42f00e88f3.tar.xz
libbpf: Set NLM_F_EXCL when creating qdisc
This got lost during the refactoring across versions. We always use NLM_F_EXCL when creating some TC object, so reflect what the function says and set the flag. Fixes: 715c5ce454a6 ("libbpf: Add low level TC-BPF management API") Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20210612023502.1283837-3-memxor@gmail.com
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/bpf/netlink.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/bpf/netlink.c b/tools/lib/bpf/netlink.c
index efbb50ad59d8..cf9381f03b16 100644
--- a/tools/lib/bpf/netlink.c
+++ b/tools/lib/bpf/netlink.c
@@ -457,7 +457,7 @@ static int tc_qdisc_modify(struct bpf_tc_hook *hook, int cmd, int flags)
static int tc_qdisc_create_excl(struct bpf_tc_hook *hook)
{
- return tc_qdisc_modify(hook, RTM_NEWQDISC, NLM_F_CREATE);
+ return tc_qdisc_modify(hook, RTM_NEWQDISC, NLM_F_CREATE | NLM_F_EXCL);
}
static int tc_qdisc_delete(struct bpf_tc_hook *hook)