trace: make the trace_event callbacks return enum print_line_t
As they actually all return these enumerators.
Reported-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/trace/trace_output.h b/kernel/trace/trace_output.h
index 3aeb31f..551a25a 100644
--- a/kernel/trace/trace_output.h
+++ b/kernel/trace/trace_output.h
@@ -3,7 +3,8 @@
#include "trace.h"
-typedef int (*trace_print_func)(struct trace_iterator *iter, int flags);
+typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter,
+ int flags);
struct trace_event {
struct hlist_node node;
@@ -39,7 +40,7 @@
int register_ftrace_event(struct trace_event *event);
int unregister_ftrace_event(struct trace_event *event);
-int trace_nop_print(struct trace_iterator *iter, int flags);
+enum print_line_t trace_nop_print(struct trace_iterator *iter, int flags);
#define MAX_MEMHEX_BYTES 8
#define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1)