[PATCH] bpf: Replace 8 seq_puts() calls by seq_putc() calls

From: Markus Elfring
Date: Sun Jul 14 2024 - 10:31:14 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 14 Jul 2024 16:15:34 +0200

Single line breaks should occasionally 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/bpf/arraymap.c | 6 +++---
kernel/bpf/bpf_struct_ops.c | 2 +-
kernel/bpf/hashtab.c | 4 ++--
kernel/bpf/local_storage.c | 4 ++--
4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index feabc0193852..188e3c2effb2 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -494,7 +494,7 @@ static void array_map_seq_show_elem(struct bpf_map *map, void *key,
if (map->btf_key_type_id)
seq_printf(m, "%u: ", *(u32 *)key);
btf_type_seq_show(map->btf, map->btf_value_type_id, value, m);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');

rcu_read_unlock();
}
@@ -515,7 +515,7 @@ static void percpu_array_map_seq_show_elem(struct bpf_map *map, void *key,
seq_printf(m, "\tcpu%d: ", cpu);
btf_type_seq_show(map->btf, map->btf_value_type_id,
per_cpu_ptr(pptr, cpu), m);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}
seq_puts(m, "}\n");

@@ -993,7 +993,7 @@ static void prog_array_map_seq_show_elem(struct bpf_map *map, void *key,
prog_id = prog_fd_array_sys_lookup_elem(ptr);
btf_type_seq_show(map->btf, map->btf_value_type_id,
&prog_id, m);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}
}

diff --git a/kernel/bpf/bpf_struct_ops.c b/kernel/bpf/bpf_struct_ops.c
index 0d515ec57aa5..bb3eabc0dc76 100644
--- a/kernel/bpf/bpf_struct_ops.c
+++ b/kernel/bpf/bpf_struct_ops.c
@@ -837,7 +837,7 @@ static void bpf_struct_ops_map_seq_show_elem(struct bpf_map *map, void *key,
btf_type_seq_show(st_map->btf,
map->btf_vmlinux_value_type_id,
value, m);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}

kfree(value);
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index 06115f8728e8..be1f64c20125 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -1586,7 +1586,7 @@ static void htab_map_seq_show_elem(struct bpf_map *map, void *key,
btf_type_seq_show(map->btf, map->btf_key_type_id, key, m);
seq_puts(m, ": ");
btf_type_seq_show(map->btf, map->btf_value_type_id, value, m);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');

rcu_read_unlock();
}
@@ -2450,7 +2450,7 @@ static void htab_percpu_map_seq_show_elem(struct bpf_map *map, void *key,
seq_printf(m, "\tcpu%d: ", cpu);
btf_type_seq_show(map->btf, map->btf_value_type_id,
per_cpu_ptr(pptr, cpu), m);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}
seq_puts(m, "}\n");

diff --git a/kernel/bpf/local_storage.c b/kernel/bpf/local_storage.c
index a04f505aefe9..3969eb0382af 100644
--- a/kernel/bpf/local_storage.c
+++ b/kernel/bpf/local_storage.c
@@ -431,7 +431,7 @@ static void cgroup_storage_seq_show_elem(struct bpf_map *map, void *key,
seq_puts(m, ": ");
btf_type_seq_show(map->btf, map->btf_value_type_id,
&READ_ONCE(storage->buf)->data[0], m);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
} else {
seq_puts(m, ": {\n");
for_each_possible_cpu(cpu) {
@@ -439,7 +439,7 @@ static void cgroup_storage_seq_show_elem(struct bpf_map *map, void *key,
btf_type_seq_show(map->btf, map->btf_value_type_id,
per_cpu_ptr(storage->percpu_buf, cpu),
m);
- seq_puts(m, "\n");
+ seq_putc(m, '\n');
}
seq_puts(m, "}\n");
}
--
2.45.2