[PATCH] mtd: move from strlcpy with unused retval to strscpy
From: Wolfram Sang
Date: Thu Aug 18 2022 - 17:02:49 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/mtd/devices/block2mtd.c | 2 +-
drivers/mtd/parsers/cmdlinepart.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 40d7211485da..4cd37ec45762 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -461,7 +461,7 @@ static int block2mtd_setup(const char *val, const struct kernel_param *kp)
the device (even kmalloc() fails). Deter that work to
block2mtd_setup2(). */
- strlcpy(block2mtd_paramline, val, sizeof(block2mtd_paramline));
+ strscpy(block2mtd_paramline, val, sizeof(block2mtd_paramline));
return 0;
#endif
diff --git a/drivers/mtd/parsers/cmdlinepart.c b/drivers/mtd/parsers/cmdlinepart.c
index 0ddff1a4b51f..b34856def816 100644
--- a/drivers/mtd/parsers/cmdlinepart.c
+++ b/drivers/mtd/parsers/cmdlinepart.c
@@ -193,7 +193,7 @@ static struct mtd_partition * newpart(char *s,
parts[this_part].mask_flags = mask_flags;
parts[this_part].add_flags = add_flags;
if (name)
- strlcpy(extra_mem, name, name_len + 1);
+ strscpy(extra_mem, name, name_len + 1);
else
sprintf(extra_mem, "Partition_%03d", this_part);
parts[this_part].name = extra_mem;
@@ -298,7 +298,7 @@ static int mtdpart_setup_real(char *s)
this_mtd->parts = parts;
this_mtd->num_parts = num_parts;
this_mtd->mtd_id = (char*)(this_mtd + 1);
- strlcpy(this_mtd->mtd_id, mtd_id, mtd_id_len + 1);
+ strscpy(this_mtd->mtd_id, mtd_id, mtd_id_len + 1);
/* link into chain */
this_mtd->next = partitions;
--
2.35.1