When CONFIG_MODULES is disabled, this function is never called:
kernel/trace/bpf_trace.c:581:13: error: 'do_bpf_send_signal' defined but not used [-Werror=unused-function]
Add another #ifdef around it.
Fixes: 8b401f9ed244 ("bpf: implement bpf_send_signal() helper")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
kernel/trace/bpf_trace.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index c102c240bb0b..b1a814e2d451 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -602,6 +602,7 @@ struct send_signal_irq_work {
static DEFINE_PER_CPU(struct send_signal_irq_work, send_signal_work);
+#ifdef CONFIG_MODULES
static void do_bpf_send_signal(struct irq_work *entry)
{
struct send_signal_irq_work *work;
@@ -609,6 +610,7 @@ static void do_bpf_send_signal(struct irq_work *entry)
work = container_of(entry, struct send_signal_irq_work, irq_work);
group_send_sig_info(work->sig, SEND_SIG_PRIV, work->task, PIDTYPE_TGID);
}
+#endif
BPF_CALL_1(bpf_send_signal, u32, sig)
{
--
2.20.0
