[PATCH 14/14] fs: move from strlcpy with unused retval to strscpy

From: Wolfram Sang
Date: Thu Aug 18 2022 - 17:11:55 EST


Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@xxxxxxxxxxxxxx/
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
fs/char_dev.c | 2 +-
fs/super.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/char_dev.c b/fs/char_dev.c
index ba0ded7842a7..c6be63dfef04 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -150,7 +150,7 @@ __register_chrdev_region(unsigned int major, unsigned int baseminor,
cd->major = major;
cd->baseminor = baseminor;
cd->minorct = minorct;
- strlcpy(cd->name, name, sizeof(cd->name));
+ strscpy(cd->name, name, sizeof(cd->name));

if (!prev) {
cd->next = curr;
diff --git a/fs/super.c b/fs/super.c
index 734ed584a946..708569341fe5 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -573,7 +573,7 @@ struct super_block *sget_fc(struct fs_context *fc,
fc->s_fs_info = NULL;
s->s_type = fc->fs_type;
s->s_iflags |= fc->s_iflags;
- strlcpy(s->s_id, s->s_type->name, sizeof(s->s_id));
+ strscpy(s->s_id, s->s_type->name, sizeof(s->s_id));
list_add_tail(&s->s_list, &super_blocks);
hlist_add_head(&s->s_instances, &s->s_type->fs_supers);
spin_unlock(&sb_lock);
@@ -652,7 +652,7 @@ struct super_block *sget(struct file_system_type *type,
return ERR_PTR(err);
}
s->s_type = type;
- strlcpy(s->s_id, type->name, sizeof(s->s_id));
+ strscpy(s->s_id, type->name, sizeof(s->s_id));
list_add_tail(&s->s_list, &super_blocks);
hlist_add_head(&s->s_instances, &type->fs_supers);
spin_unlock(&sb_lock);
--
2.35.1