[PATCH] md: move from strlcpy with unused retval to strscpy

From: Wolfram Sang
Date: Thu Aug 18 2022 - 17:02:42 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>
---
drivers/md/dm-ioctl.c | 4 ++--
drivers/md/md.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 98976aaa9db9..6148fb73ccb4 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -921,9 +921,9 @@ static struct hash_cell *__find_device_hash_cell(struct dm_ioctl *param)
* Sneakily write in both the name and the uuid
* while we have the cell.
*/
- strlcpy(param->name, hc->name, sizeof(param->name));
+ strscpy(param->name, hc->name, sizeof(param->name));
if (hc->uuid)
- strlcpy(param->uuid, hc->uuid, sizeof(param->uuid));
+ strscpy(param->uuid, hc->uuid, sizeof(param->uuid));
else
param->uuid[0] = '\0';

diff --git a/drivers/md/md.c b/drivers/md/md.c
index afaf36b2f6ab..4d019ac0a549 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5743,7 +5743,7 @@ static int add_named_array(const char *val, const struct kernel_param *kp)
len--;
if (len >= DISK_NAME_LEN)
return -E2BIG;
- strscpy(buf, val, len+1);
+ strscpy(buf, val, len + 1);
if (strncmp(buf, "md_", 3) == 0)
return md_alloc_and_put(0, buf);
if (strncmp(buf, "md", 2) == 0 &&
--
2.35.1