Commit 69af654b authored by Thorsten Blum's avatar Thorsten Blum Committed by Guenter Roeck
Browse files

hwmon: (pmbus/core) Replace deprecated strncpy() with strscpy() 

strncpy() is deprecated for NUL-terminated destination buffers; use
strscpy() instead.

Compile-tested only.

Note(groeck): strscpy() uses sizeof() to determine the length of the
destination buffer if it is not provided as argument.

Link: https://github.com/KSPP/linux/issues/90


Cc: linux-hardening@vger.kernel.org
Signed-off-by: default avatarThorsten Blum <thorsten.blum@linux.dev>
Link: https://lore.kernel.org/r/20250227173936.7746-2-thorsten.blum@linux.dev


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent fafac0eb

drivers/hwmon/pmbus/pmbus_core.c

+1 −2
Original line number Diff line number Diff line
@@ -1470,8 +1470,7 @@ static int pmbus_add_label(struct pmbus_data *data, 
	snprintf(label->name, sizeof(label->name), "%s%d_label", name, seq);

	if (!index) {

		if (phase == 0xff)

			strncpy(label->label, lstring,

				sizeof(label->label) - 1);

			strscpy(label->label, lstring);

		else

			snprintf(label->label, sizeof(label->label), "%s.%d",

				 lstring, phase);