diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-22 08:16:01 +0900 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-22 08:16:01 +0900 |
| commit | 4fe71dba2f2d550545580d409f432153c6454e59 (patch) | |
| tree | 62e254b6fe3e753c6a2cee7f62dd1ad4ce5ca720 /drivers | |
| parent | 4223a4a155f245d41c350ed9eba4fc32e965c4da (diff) | |
| parent | 13b79b971564ddd0f14e706592472adc8199e912 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: aesni-intel - Fix irq_fpu_usable usage
crypto: padlock-sha - Fix stack alignment
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/padlock-sha.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/crypto/padlock-sha.c b/drivers/crypto/padlock-sha.c index 76cb6b345e7..0af80577dc7 100644 --- a/drivers/crypto/padlock-sha.c +++ b/drivers/crypto/padlock-sha.c @@ -24,6 +24,12 @@ #include <asm/i387.h> #include "padlock.h" +#ifdef CONFIG_64BIT +#define STACK_ALIGN 16 +#else +#define STACK_ALIGN 4 +#endif + struct padlock_sha_desc { struct shash_desc fallback; }; @@ -64,7 +70,9 @@ static int padlock_sha1_finup(struct shash_desc *desc, const u8 *in, /* We can't store directly to *out as it may be unaligned. */ /* BTW Don't reduce the buffer size below 128 Bytes! * PadLock microcode needs it that big. */ - char result[128] __attribute__ ((aligned(PADLOCK_ALIGNMENT))); + char buf[128 + PADLOCK_ALIGNMENT - STACK_ALIGN] __attribute__ + ((aligned(STACK_ALIGN))); + char *result = PTR_ALIGN(&buf[0], PADLOCK_ALIGNMENT); struct padlock_sha_desc *dctx = shash_desc_ctx(desc); struct sha1_state state; unsigned int space; @@ -128,7 +136,9 @@ static int padlock_sha256_finup(struct shash_desc *desc, const u8 *in, /* We can't store directly to *out as it may be unaligned. */ /* BTW Don't reduce the buffer size below 128 Bytes! * PadLock microcode needs it that big. */ - char result[128] __attribute__ ((aligned(PADLOCK_ALIGNMENT))); + char buf[128 + PADLOCK_ALIGNMENT - STACK_ALIGN] __attribute__ + ((aligned(STACK_ALIGN))); + char *result = PTR_ALIGN(&buf[0], PADLOCK_ALIGNMENT); struct padlock_sha_desc *dctx = shash_desc_ctx(desc); struct sha256_state state; unsigned int space; |