Since the function accepts just one bit, we can use the switch
construction instead of if/else if/...
Just a cosmetic change, there should be no functional changes.
Suggested-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
Signed-off-by: Anton Vorontsov <anton.vorontsov@xxxxxxxxxx>
---
kernel/trace/trace_functions.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index 13770ab..a426f41 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -217,10 +217,11 @@ static void tracing_stop_function_trace(void)
static int func_set_flag(u32 old_flags, u32 bit, int set)
{
- if (bit == TRACE_FUNC_OPT_STACK) {
+ switch (bit) {
+ case TRACE_FUNC_OPT_STACK:
/* do nothing if already set */
if (!!set == !!(func_flags.val & TRACE_FUNC_OPT_STACK))
- return 0;
+ break;
if (set) {
unregister_ftrace_function(&trace_ops);
@@ -230,12 +231,14 @@ static int func_set_flag(u32 old_flags, u32 bit, int set)
register_ftrace_function(&trace_ops);
}
- return 0;
- } else if (bit == TRACE_FUNC_OPT_PSTORE) {
- return 0;
+ break;
+ case TRACE_FUNC_OPT_PSTORE:
+ break;
+ default:
+ return -EINVAL;
}
- return -EINVAL;
+ return 0;
}
static struct tracer function_trace __read_mostly =
--
1.7.10.4
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