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bpf: net_sched: Fix using bpf qdisc as default qdisc #8827

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bpf: net_sched: Fix using bpf qdisc as default qdisc #8827

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4 changes: 2 additions & 2 deletions net/sched/sch_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -207,7 +207,7 @@ static struct Qdisc_ops *qdisc_lookup_default(const char *name)

for (q = qdisc_base; q; q = q->next) {
if (!strcmp(name, q->id)) {
if (!try_module_get(q->owner))
if (!bpf_try_module_get(q, q->owner))
q = NULL;
break;
}
Expand Down Expand Up @@ -237,7 +237,7 @@ int qdisc_set_default(const char *name)

if (ops) {
/* Set new default */
module_put(default_qdisc_ops->owner);
bpf_module_put(default_qdisc_ops, default_qdisc_ops->owner);
default_qdisc_ops = ops;
}
write_unlock(&qdisc_mod_lock);
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4 changes: 2 additions & 2 deletions net/sched/sch_generic.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1001,14 +1001,14 @@ struct Qdisc *qdisc_create_dflt(struct netdev_queue *dev_queue,
{
struct Qdisc *sch;

if (!try_module_get(ops->owner)) {
if (!bpf_try_module_get(ops, ops->owner)) {
NL_SET_ERR_MSG(extack, "Failed to increase module reference counter");
return NULL;
}

sch = qdisc_alloc(dev_queue, ops, extack);
if (IS_ERR(sch)) {
module_put(ops->owner);
bpf_module_put(ops, ops->owner);
return NULL;
}
sch->parent = parentid;
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