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net/sched: cls_api: Move call to tcf_exts_miss_cookie_base_destroy()

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When CONFIG_NET_CLS_ACT is disabled:

  ../net/sched/cls_api.c:141:13: warning: 'tcf_exts_miss_cookie_base_destroy' defined but not used [-Wunused-function]
    141 | static void tcf_exts_miss_cookie_base_destroy(struct tcf_exts *exts)
        |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Due to the way the code is structured, it is possible for a definition
of tcf_exts_miss_cookie_base_destroy() to be present without actually
being used. Its single callsite is in an '#ifdef CONFIG_NET_CLS_ACT'
block but a definition will always be present in the file. The version
of tcf_exts_miss_cookie_base_destroy() that actually does something
depends on CONFIG_NET_TC_SKB_EXT, so the stub function is used in both
CONFIG_NET_CLS_ACT=n and CONFIG_NET_CLS_ACT=y + CONFIG_NET_TC_SKB_EXT=n
configurations.

Move the call to tcf_exts_miss_cookie_base_destroy() in
tcf_exts_destroy() out of the '#ifdef CONFIG_NET_CLS_ACT', so that it
always appears used to the compiler, while not changing any behavior
with any of the various configuration combinations.

Fixes: 80cd22c35c90 ("net/sched: cls_api: Support hardware miss to tc action")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nathan Chancellor 2023-02-24 11:18:49 -07:00 committed by David S. Miller
parent 6f2ce45f0c
commit 37e1f3acc3
1 changed files with 1 additions and 1 deletions
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2
net/sched/cls_api.c
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@ -3241,9 +3241,9 @@ EXPORT_SYMBOL(tcf_exts_init_ex);
void tcf_exts_destroy(struct tcf_exts *exts)
{
#ifdef CONFIG_NET_CLS_ACT
tcf_exts_miss_cookie_base_destroy(exts);
#ifdef CONFIG_NET_CLS_ACT
if (exts->actions) {
tcf_action_destroy(exts->actions, TCA_ACT_UNBIND);
kfree(exts->actions);