Modify PADLOCK_ALIGN() macro, so when the given address is already 16 bytes

aligned, it will be used directly, not 'address + 16'.
2006-07-25 19:06:54 +00:00 · 2006-07-25 19:06:54 +00:00 · 90aa974bdf
commit 90aa974bdf
parent 1bdee6da83
1 changed files with 1 additions and 1 deletions
--- a/sys/crypto/via/padlock.h
+++ b/sys/crypto/via/padlock.h
@ -72,7 +72,7 @@ struct padlock_session {
 	TAILQ_ENTRY(padlock_session) ses_next;
 };

-#define PADLOCK_ALIGN(p)	(void *)((char *)(p) - ((uintptr_t)(p) % 16) + 16)
+#define PADLOCK_ALIGN(p)	(void *)((uintptr_t)(p) - (((uintptr_t)(p) - 1) % 16) + 15)

 int	padlock_cipher_setup(struct padlock_session *ses,
 	    struct cryptoini *encini);