diff options
| author | Ammar Faizi <[email protected]> | 2022-04-18 01:56:30 +0700 |
|---|---|---|
| committer | Steven Rostedt (Google) <[email protected]> | 2022-04-26 17:58:52 -0400 |
| commit | 69686fcbdcc0b6fed3b8d0907e641f282df2f827 (patch) | |
| tree | 970068a1d785db46a00092af0da75886af09c0ae | |
| parent | 97a5d2e5e35f119b6d7a37c7538773ae7af82dd5 (diff) | |
tracing: Change `if (strlen(glob))` to `if (glob[0])`
No need to traverse to the end of string. If the first byte is not a NUL
char, it's guaranteed `if (strlen(glob))` is true.
Link: https://lkml.kernel.org/r/[email protected]
Cc: Ingo Molnar <[email protected]>
Cc: GNU/Weeb Mailing List <[email protected]>
Signed-off-by: Ammar Faizi <[email protected]>
Signed-off-by: Steven Rostedt (Google) <[email protected]>
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 80c25be23c45..fe10179893c1 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -6217,7 +6217,7 @@ static int event_hist_trigger_parse(struct event_command *cmd_ops, if (WARN_ON(!glob)) return -EINVAL; - if (strlen(glob)) { + if (glob[0]) { hist_err_clear(); last_cmd_set(file, param_and_filter); } |