add few necessarry const qualifiers for pointers

diff --git a/grub-core/lib/crypto.c b/grub-core/lib/crypto.c
index e6f55062bae9e2491ae13747c21d3ce6377dbd3a..5098f0a66e92f2fe636246f5132fdfb8f45f6288 100644 (file)
--- a/grub-core/lib/crypto.c
+++ b/grub-core/lib/crypto.c
@@ -345,7 +345,8 @@ grub_crypto_hmac_init (const struct gcry_md_spec *md,
 }
 
 void
-grub_crypto_hmac_write (struct grub_crypto_hmac_handle *hnd, void *data,
+grub_crypto_hmac_write (struct grub_crypto_hmac_handle *hnd,
+                       const void *data,
                        grub_size_t datalen)
 {
   hnd->md->write (hnd->ctx, data, datalen);

diff --git a/include/grub/crypto.h b/include/grub/crypto.h
index ab82da862530dc77c0a12d049f65ab7d67c0793a..baccbcd0646d8c897a833b71409e1fffc3b97cdd 100644 (file)
--- a/include/grub/crypto.h
+++ b/include/grub/crypto.h
@@ -235,7 +235,8 @@ struct grub_crypto_hmac_handle *
 grub_crypto_hmac_init (const struct gcry_md_spec *md,
                       const void *key, grub_size_t keylen);
 void
-grub_crypto_hmac_write (struct grub_crypto_hmac_handle *hnd, void *data,
+grub_crypto_hmac_write (struct grub_crypto_hmac_handle *hnd,
+                       const void *data,
                        grub_size_t datalen);
 gcry_err_code_t
 grub_crypto_hmac_fini (struct grub_crypto_hmac_handle *hnd, void *out);