Messages in this thread Patch in this message |  | | Date | Sat, 10 Dec 2022 08:58:04 -0500 | From | Steven Rostedt <> | Subject | [for-next][PATCH 14/25] tracing/hist: Fix wrong return value in parse_action_params() |
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From: Zheng Yejian <zhengyejian1@huawei.com>
When number of synth fields is more than SYNTH_FIELDS_MAX, parse_action_params() should return -EINVAL.
Link: https://lore.kernel.org/linux-trace-kernel/20221207034635.2253990-1-zhengyejian1@huawei.com
Cc: <mhiramat@kernel.org> Cc: <zanussi@kernel.org> Cc: stable@vger.kernel.org Fixes: c282a386a397 ("tracing: Add 'onmatch' hist trigger action support") Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> --- kernel/trace/trace_events_hist.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index a0cd118af527..b4ad86c22b43 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -3609,6 +3609,7 @@ static int parse_action_params(struct trace_array *tr, char *params, while (params) { if (data->n_params >= SYNTH_FIELDS_MAX) { hist_err(tr, HIST_ERR_TOO_MANY_PARAMS, 0); + ret = -EINVAL; goto out; } -- 2.35.1
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