[xen master] crypto/vmac: don't cast away const-ness in aes_key_setup()

[patchbot@xxxxxxx]

commit 25055cde9156268f32e61836f648aa0af128c05d
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Tue Sep 22 09:13:47 2026 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Sep 22 09:13:47 2026 +0200

    crypto/vmac: don't cast away const-ness in aes_key_setup()
    
    vmac_set_key() passes in a pointer-to-const, which has const-ness removed
    despite rijndaelKeySetupEnc() properly taking pointer-to-const.
    
    No functional change.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
---
 xen/include/crypto/vmac.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/crypto/vmac.h b/xen/include/crypto/vmac.h
index 735d2760a5..98e50b242f 100644
--- a/xen/include/crypto/vmac.h
+++ b/xen/include/crypto/vmac.h
@@ -69,7 +69,7 @@ typedef u32 aes_int_key[4*(VMAC_KEY_LEN/32+7)];
                                            (u8 *)(in), (u8 *)(out))
 #define aes_key_setup(user_key,int_key)                 \
                rijndaelKeySetupEnc((u32 *)(int_key),       \
-                                   (u8 *)(user_key), \
+                                   (const u8 *)(user_key), \
                                    VMAC_KEY_LEN)
 #endif
 
--
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