[PATCH v2 1/2] lib: make table_compute_checksum() arguments const

[Heinrich Schuchardt]

table_compute_checksum() does neither changes the content of the
checksummed buffer nor the buffer length. Adding const to the
definition makes the function wider usable.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
v2:
	new patch
---
 include/tables_csum.h | 2 +-
 lib/tables_csum.c     | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/tables_csum.h b/include/tables_csum.h
index 4812333093..9207e85f91 100644
--- a/include/tables_csum.h
+++ b/include/tables_csum.h
@@ -17,6 +17,6 @@
  * @len:	configuration table size
  * @return:	the 8-bit checksum
  */
-u8 table_compute_checksum(void *v, int len);
+u8 table_compute_checksum(const void *v, const int len);
 
 #endif
diff --git a/lib/tables_csum.c b/lib/tables_csum.c
index 636aa59676..305b1ec31c 100644
--- a/lib/tables_csum.c
+++ b/lib/tables_csum.c
@@ -5,9 +5,9 @@
 
 #include <linux/types.h>
 
-u8 table_compute_checksum(void *v, int len)
+u8 table_compute_checksum(const void *v, const int len)
 {
-	u8 *bytes = v;
+	const u8 *bytes = v;
 	u8 checksum = 0;
 	int i;
 
-- 
2.43.0