[PATCH v2 1/2] tracing/user_events: Use seq_putc() in two functions

From: Markus Elfring

Date: Mon Jun 22 2026 - 11:13:17 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 22 Jun 2026 16:37:18 +0200

Single characters should be put into a sequence. Thus use the corresponding
function “seq_putc” for selected calls.

The source code was transformed by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
kernel/trace/trace_events_user.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c
index c4ba484f7b38..a79b7c07dabb 100644
--- a/kernel/trace/trace_events_user.c
+++ b/kernel/trace/trace_events_user.c
@@ -1813,7 +1813,7 @@ static int user_event_show(struct seq_file *m, struct dyn_event *ev)

list_for_each_entry_reverse(field, head, link) {
if (depth == 0)
- seq_puts(m, " ");
+ seq_putc(m, ' ');
else
seq_puts(m, "; ");

@@ -1825,7 +1825,7 @@ static int user_event_show(struct seq_file *m, struct dyn_event *ev)
depth++;
}

- seq_puts(m, "\n");
+ seq_putc(m, '\n');

return 0;
}
@@ -2794,13 +2794,13 @@ static int user_seq_show(struct seq_file *m, void *p)
busy++;
}

- seq_puts(m, "\n");
+ seq_putc(m, '\n');
active++;
}

mutex_unlock(&group->reg_mutex);

- seq_puts(m, "\n");
+ seq_putc(m, '\n');
seq_printf(m, "Active: %d\n", active);
seq_printf(m, "Busy: %d\n", busy);

--
2.54.0