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Subject[PATCH 25/46] kernel: Add prototype declaration to header file include/linux/ftrace.h
Add prototype declaration of function to header file
include/linux/ftrace.h because it is used by more than one file.

This eliminates the following warning in kernel/trace/ftrace.c:
kernel/trace/ftrace.c:4914:5: warning: no previous prototype for ‘ftrace_graph_entry_stub’ [-Wmissing-prototypes]

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
---
include/linux/ftrace.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 68ea184..da1c31f 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -672,6 +672,8 @@ struct ftrace_graph_ret {
typedef void (*trace_func_graph_ret_t)(struct ftrace_graph_ret *); /* return */
typedef int (*trace_func_graph_ent_t)(struct ftrace_graph_ent *); /* entry */

+int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace);
+
#ifdef CONFIG_FUNCTION_GRAPH_TRACER

/* for init task */
--
1.7.9.5
--
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