git: 8d20f1560d05 - main - stand/zfs: Fix const-qual warnings

The branch main has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=8d20f1560d05ef4c96680cd1a0a0b9ac9054700f

commit 8d20f1560d05ef4c96680cd1a0a0b9ac9054700f
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2022-04-29 13:19:34 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2022-05-04 14:06:21 +0000

    stand/zfs: Fix const-qual warnings
    
    The input buffer is read-only, update casts to match.
    
    No functional change intended.
    
    MFC after:      1 week
    Sponsored by:   The FreeBSD Foundation
---
 sys/cddl/boot/zfs/sha256.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sys/cddl/boot/zfs/sha256.c b/sys/cddl/boot/zfs/sha256.c
index eee98e612a1e..2e1bfca0274f 100644
--- a/sys/cddl/boot/zfs/sha256.c
+++ b/sys/cddl/boot/zfs/sha256.c
@@ -203,11 +203,11 @@ SHA256(uint32_t *H, const void *buf, uint64_t size, zio_cksum_t *zcp)
 
 	/* process all blocks up to the last one */
 	for (i = 0; i < size - padsize; i += 64)
-		SHA256Transform(H, (uint8_t *)buf + i);
+		SHA256Transform(H, (const uint8_t *)buf + i);
 
 	/* process the last block and padding */
 	for (k = 0; k < padsize; k++)
-		pad[k] = ((uint8_t *)buf)[k+i];
+		pad[k] = ((const uint8_t *)buf)[k + i];
 
 	for (pad[padsize++] = 0x80; (padsize & 63) != 56; padsize++)
 		pad[padsize] = 0;
@@ -259,11 +259,11 @@ SHA512(uint64_t *H, const void *buf, uint64_t size, zio_cksum_t *zcp)
 
 	/* process all blocks up to the last one */
 	for (i = 0; i < size - padsize; i += 128)
-		SHA512Transform(H, (uint8_t *)buf + i);
+		SHA512Transform(H, (const uint8_t *)buf + i);
 
 	/* process the last block and padding */
 	for (k = 0; k < padsize; k++)
-		pad[k] = ((uint8_t *)buf)[k+i];
+		pad[k] = ((const uint8_t *)buf)[k + i];
 
 	if (padsize < 112) {
 		for (pad[padsize++] = 0x80; padsize < 112; padsize++)