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tracing: is_legal_op() can return boolean 

Make is_legal_op() return bool to improve readability due to this particular
function only using either one or zero as its return value.

No functional change.

Link: http://lkml.kernel.org/r/1443537816-5788-8-git-send-email-bywxiaobai@163.com

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Yaowei Bai 2015-09-29 22:43:35 +08:00 committed by Steven Rostedt
parent cdb2a0a915
commit 907bff917a
1 changed files with 4 additions and 4 deletions
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8
kernel/trace/trace_events_filter.c
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@ -973,15 +973,15 @@ static bool is_string_field(struct ftrace_event_field *field)
field->filter_type == FILTER_PTR_STRING; field->filter_type == FILTER_PTR_STRING;
} }
static int is_legal_op(struct ftrace_event_field *field, int op) static bool is_legal_op(struct ftrace_event_field *field, int op)
{ {
if (is_string_field(field) && if (is_string_field(field) &&
(op != OP_EQ && op != OP_NE && op != OP_GLOB)) (op != OP_EQ && op != OP_NE && op != OP_GLOB))
return 0; return false;
if (!is_string_field(field) && op == OP_GLOB) if (!is_string_field(field) && op == OP_GLOB)
return 0; return false;
return 1; return true;
} }
static filter_pred_fn_t select_comparison_fn(int op, int field_size, static filter_pred_fn_t select_comparison_fn(int op, int field_size,