From: Max Kellermann <max.kellermann@xxxxxxxxx>
[ Upstream commit 250f5402e636a5cec9e0e95df252c3d54307210f ]
Fixes a bug revealed by -Wmissing-prototypes when
CONFIG_FUNCTION_GRAPH_TRACER is enabled but not CONFIG_DYNAMIC_FTRACE:
arch/parisc/kernel/ftrace.c:82:5: error: no previous prototype for 'ftrace_enable_ftrace_graph_caller' [-Werror=missing-prototypes]
82 | int ftrace_enable_ftrace_graph_caller(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/parisc/kernel/ftrace.c:88:5: error: no previous prototype for 'ftrace_disable_ftrace_graph_caller' [-Werror=missing-prototypes]
88 | int ftrace_disable_ftrace_graph_caller(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx>
Signed-off-by: Helge Deller <deller@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/parisc/kernel/ftrace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c
index 4d392e4ed3584..ac7253891d5ed 100644
--- a/arch/parisc/kernel/ftrace.c
+++ b/arch/parisc/kernel/ftrace.c
@@ -78,7 +78,7 @@ void notrace __hot ftrace_function_trampoline(unsigned long parent,
#endif
}
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+#if defined(CONFIG_DYNAMIC_FTRACE) && defined(CONFIG_FUNCTION_GRAPH_TRACER)
int ftrace_enable_ftrace_graph_caller(void)
{
static_key_enable(&ftrace_graph_enable.key);
--
2.43.0
