[PATCH v8 06/13] bootconfig: constify xbc_calc_checksum() data parameter

Josh Law
2026-03-18T15:59:32Z

xbc_calc_checksum() only reads the data buffer, so mark the parameter
as const void * and the internal pointer as const unsigned char *.

Signed-off-by: Josh Law <objecting@objecting.org>
---
include/linux/bootconfig.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/bootconfig.h b/include/linux/bootconfig.h
index 25df9260d206..23a96c5edcf3 100644
--- a/include/linux/bootconfig.h
+++ b/include/linux/bootconfig.h
@@ -36,9 +36,9 @@ bool __init cmdline_has_extra_options(void);
* The checksum will be used with the BOOTCONFIG_MAGIC and the size for
* embedding the bootconfig in the initrd image.
*/
-static inline __init uint32_t xbc_calc_checksum(void *data, uint32_t size)
+static inline __init uint32_t xbc_calc_checksum(const void *data, uint32_t size)
{
- unsigned char *p = data;
+ const unsigned char *p = data;
uint32_t ret = 0;

while (size--)
--
2.34.1