[PATCH] locking/lockdep: Use seq_putc() in five functions

From: Markus Elfring
Date: Sun Jul 14 2024 - 06:25:58 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 14 Jul 2024 12:18:16 +0200

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

This issue was transformed by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
kernel/locking/lockdep_proc.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c
index e2bfb1db589d..4612d1c4f45e 100644
--- a/kernel/locking/lockdep_proc.c
+++ b/kernel/locking/lockdep_proc.c
@@ -101,17 +101,17 @@ static int l_show(struct seq_file *m, void *v)

seq_printf(m, ": ");
print_name(m, class);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');

if (IS_ENABLED(CONFIG_PROVE_LOCKING)) {
list_for_each_entry(entry, &class->locks_after, entry) {
if (entry->distance == 1) {
seq_printf(m, " -> [%p] ", entry->class->key);
print_name(m, entry->class);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}
}
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}

return 0;
@@ -175,9 +175,9 @@ static int lc_show(struct seq_file *m, void *v)

seq_printf(m, "[%p] ", class->key);
print_name(m, class);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}
- seq_puts(m, "\n");
+ seq_putc(m, '\n');

return 0;
}
@@ -379,7 +379,7 @@ static int lockdep_stats_show(struct seq_file *m, void *v)
/*
* Zapped classes and lockdep data buffers reuse statistics.
*/
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
seq_printf(m, " zapped classes: %11lu\n",
nr_zapped_classes);
#ifdef CONFIG_PROVE_LOCKING
@@ -422,10 +422,10 @@ static void seq_line(struct seq_file *m, char c, int offset, int length)
int i;

for (i = 0; i < offset; i++)
- seq_puts(m, " ");
+ seq_putc(m, ' ');
for (i = 0; i < length; i++)
seq_printf(m, "%c", c);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}

static void snprint_time(char *buf, size_t bufsiz, s64 nr)
@@ -512,7 +512,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
seq_lock_time(m, &stats->write_waittime);
seq_printf(m, " %14lu ", stats->bounces[bounce_acquired_write]);
seq_lock_time(m, &stats->write_holdtime);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}

if (stats->read_holdtime.nr) {
@@ -521,7 +521,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
seq_lock_time(m, &stats->read_waittime);
seq_printf(m, " %14lu ", stats->bounces[bounce_acquired_read]);
seq_lock_time(m, &stats->read_holdtime);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}

if (stats->read_waittime.nr + stats->write_waittime.nr == 0)
@@ -561,9 +561,9 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
ip, (void *)class->contending_point[i]);
}
if (i) {
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
seq_line(m, '.', 0, 40 + 1 + 12 * (14 + 1));
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}
}

--
2.45.2