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Subject[PATCH] misc: move from strlcpy with unused retval to strscpy
Date
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@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
drivers/misc/altera-stapl/altera.c | 8 ++++----
drivers/misc/eeprom/eeprom.c | 2 +-
drivers/misc/eeprom/idt_89hpesx.c | 2 +-
drivers/misc/ics932s401.c | 2 +-
drivers/misc/mei/bus-fixup.c | 2 +-
5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/misc/altera-stapl/altera.c b/drivers/misc/altera-stapl/altera.c
index 075f3a36d512..a58b7cb81d98 100644
--- a/drivers/misc/altera-stapl/altera.c
+++ b/drivers/misc/altera-stapl/altera.c
@@ -1014,7 +1014,7 @@ static int altera_execute(struct altera_state *astate,
* ...argument 0 is string ID
*/
count = strlen(msg_buff);
- strlcpy(&msg_buff[count],
+ strscpy(&msg_buff[count],
&p[str_table + args[0]],
ALTERA_MESSAGE_LENGTH - count);
break;
@@ -2146,7 +2146,7 @@ static int altera_get_note(u8 *p, s32 program_size, s32 *offset,
&p[note_table + (8 * i) + 4])];

if (value != NULL)
- strlcpy(value, value_ptr, vallen);
+ strscpy(value, value_ptr, vallen);

}
}
@@ -2162,13 +2162,13 @@ static int altera_get_note(u8 *p, s32 program_size, s32 *offset,
status = 0;

if (key != NULL)
- strlcpy(key, &p[note_strings +
+ strscpy(key, &p[note_strings +
get_unaligned_be32(
&p[note_table + (8 * i)])],
keylen);

if (value != NULL)
- strlcpy(value, &p[note_strings +
+ strscpy(value, &p[note_strings +
get_unaligned_be32(
&p[note_table + (8 * i) + 4])],
vallen);
diff --git a/drivers/misc/eeprom/eeprom.c b/drivers/misc/eeprom/eeprom.c
index 34fa385dfd4b..adb08ae5062d 100644
--- a/drivers/misc/eeprom/eeprom.c
+++ b/drivers/misc/eeprom/eeprom.c
@@ -136,7 +136,7 @@ static int eeprom_detect(struct i2c_client *client, struct i2c_board_info *info)
&& !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_I2C_BLOCK))
return -ENODEV;

- strlcpy(info->type, "eeprom", I2C_NAME_SIZE);
+ strscpy(info->type, "eeprom", I2C_NAME_SIZE);

return 0;
}
diff --git a/drivers/misc/eeprom/idt_89hpesx.c b/drivers/misc/eeprom/idt_89hpesx.c
index 9aec3338e37d..01614fec40fe 100644
--- a/drivers/misc/eeprom/idt_89hpesx.c
+++ b/drivers/misc/eeprom/idt_89hpesx.c
@@ -1075,7 +1075,7 @@ static const struct i2c_device_id *idt_ee_match_id(struct fwnode_handle *fwnode)
return NULL;

p = strchr(compatible, ',');
- strlcpy(devname, p ? p + 1 : compatible, sizeof(devname));
+ strscpy(devname, p ? p + 1 : compatible, sizeof(devname));
/* Search through the device name */
while (id->name[0]) {
if (strcmp(devname, id->name) == 0)
diff --git a/drivers/misc/ics932s401.c b/drivers/misc/ics932s401.c
index 0f9ea75b0b18..d88fe136155b 100644
--- a/drivers/misc/ics932s401.c
+++ b/drivers/misc/ics932s401.c
@@ -424,7 +424,7 @@ static int ics932s401_detect(struct i2c_client *client,
if (revision != ICS932S401_REV)
dev_info(&adapter->dev, "Unknown revision %d\n", revision);

- strlcpy(info->type, "ics932s401", I2C_NAME_SIZE);
+ strscpy(info->type, "ics932s401", I2C_NAME_SIZE);

return 0;
}
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c
index 59506ba6fc48..4cb341fcf543 100644
--- a/drivers/misc/mei/bus-fixup.c
+++ b/drivers/misc/mei/bus-fixup.c
@@ -471,7 +471,7 @@ static void mei_nfc(struct mei_cl_device *cldev)
}

dev_dbg(bus->dev, "nfc radio %s\n", radio_name);
- strlcpy(cldev->name, radio_name, sizeof(cldev->name));
+ strscpy(cldev->name, radio_name, sizeof(cldev->name));

disconnect:
mutex_lock(&bus->device_lock);
--
2.35.1
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