Messages in this thread Patch in this message | | | From | Pingfan Liu <> | Subject | [PATCH 2/3] tracing/filter: harden the prototype of predicate_parse() | Date | Fri, 7 Jan 2022 12:49:50 +0800 |
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Since the next patch badly relies on the struct 'trace_event_call' to pass in 'event_call_class info', making the involved functions' prototype stricter.
There is no functional change in this patch.
Signed-off-by: Pingfan Liu <kernelfans@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Ingo Molnar <mingo@redhat.com> To: linux-kernel@vger.kernel.org --- kernel/trace/trace_events_filter.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index 264456e1698f..2a05315127f9 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -136,7 +136,8 @@ static void parse_error(struct filter_parse_error *pe, int err, int pos) pe->lasterr_pos = pos; } -typedef int (*parse_pred_fn)(const char *str, void *data, int pos, +typedef int (*parse_pred_fn)(const char *str, struct trace_event_call *data, + int pos, struct filter_parse_error *pe, struct filter_pred **pred); @@ -408,7 +409,7 @@ enum { */ static struct prog_entry * predicate_parse(const char *str, int nr_parens, int nr_preds, - parse_pred_fn parse_pred, void *data, + parse_pred_fn parse_pred, struct trace_event_call *data, struct filter_parse_error *pe) { struct prog_entry *prog_stack; @@ -1149,7 +1150,7 @@ static filter_pred_fn_t select_comparison_fn(enum filter_op_ids op, } /* Called when a predicate is encountered by predicate_parse() */ -static int parse_pred(const char *str, void *data, +static int parse_pred(const char *str, struct trace_event_call *data, int pos, struct filter_parse_error *pe, struct filter_pred **pred_ptr) { -- 2.31.1
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