unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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bpf: Replace 8 seq_puts() calls by seq_putc() calls

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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@users.sourceforge.net>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/e26b7df9-cd63-491f-85e8-8cabe60a85e5@web.de
This commit is contained in:
Markus Elfring 2024-07-14 16:15:34 +02:00 committed by Andrii Nakryiko
parent 2291247296
commit df862de41f
4 changed files with 8 additions and 8 deletions
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6
kernel/bpf/arraymap.c
View file

@ -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');
}
}

2
kernel/bpf/bpf_struct_ops.c
View file

@ -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);

4
kernel/bpf/hashtab.c
View file

@ -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");

4
kernel/bpf/local_storage.c
View file

@ -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");
}