diff mbox series

[for-next,14/25] tracing/hist: Fix wrong return value in parse_action_params()

Message ID 20221210135825.396475827@goodmis.org
State New
Headers
Series tracing: Updates for 6.2 |

Commit Message

Steven Rostedt Dec. 10, 2022, 1:58 p.m. UTC 
  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 mbox series

Patch

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;
 		}