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authorJ. Bruce Fields <bfields@citi.umich.edu>2009-11-23 12:34:58 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-11-23 12:34:58 -0500
commit9b8b317d58084b9a44f6f33b355c4278d9f841fb (patch)
treee0df89800bf4301c4017db3cdf04a2056ec1a852 /drivers/crypto/padlock-sha.c
parent78c210efdefe07131f91ed512a3308b15bb14e2f (diff)
parent648f4e3e50c4793d9dbf9a09afa193631f76fa26 (diff)
Merge commit 'v2.6.32-rc8' into HEAD
Diffstat (limited to 'drivers/crypto/padlock-sha.c')
-rw-r--r--drivers/crypto/padlock-sha.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/crypto/padlock-sha.c b/drivers/crypto/padlock-sha.c
index 76cb6b345e7b..0af80577dc7b 100644
--- a/drivers/crypto/padlock-sha.c
+++ b/drivers/crypto/padlock-sha.c
@@ -24,6 +24,12 @@
24#include <asm/i387.h> 24#include <asm/i387.h>
25#include "padlock.h" 25#include "padlock.h"
26 26
27#ifdef CONFIG_64BIT
28#define STACK_ALIGN 16
29#else
30#define STACK_ALIGN 4
31#endif
32
27struct padlock_sha_desc { 33struct padlock_sha_desc {
28 struct shash_desc fallback; 34 struct shash_desc fallback;
29}; 35};
@@ -64,7 +70,9 @@ static int padlock_sha1_finup(struct shash_desc *desc, const u8 *in,
64 /* We can't store directly to *out as it may be unaligned. */ 70 /* We can't store directly to *out as it may be unaligned. */
65 /* BTW Don't reduce the buffer size below 128 Bytes! 71 /* BTW Don't reduce the buffer size below 128 Bytes!
66 * PadLock microcode needs it that big. */ 72 * PadLock microcode needs it that big. */
67 char result[128] __attribute__ ((aligned(PADLOCK_ALIGNMENT))); 73 char buf[128 + PADLOCK_ALIGNMENT - STACK_ALIGN] __attribute__
74 ((aligned(STACK_ALIGN)));
75 char *result = PTR_ALIGN(&buf[0], PADLOCK_ALIGNMENT);
68 struct padlock_sha_desc *dctx = shash_desc_ctx(desc); 76 struct padlock_sha_desc *dctx = shash_desc_ctx(desc);
69 struct sha1_state state; 77 struct sha1_state state;
70 unsigned int space; 78 unsigned int space;
@@ -128,7 +136,9 @@ static int padlock_sha256_finup(struct shash_desc *desc, const u8 *in,
128 /* We can't store directly to *out as it may be unaligned. */ 136 /* We can't store directly to *out as it may be unaligned. */
129 /* BTW Don't reduce the buffer size below 128 Bytes! 137 /* BTW Don't reduce the buffer size below 128 Bytes!
130 * PadLock microcode needs it that big. */ 138 * PadLock microcode needs it that big. */
131 char result[128] __attribute__ ((aligned(PADLOCK_ALIGNMENT))); 139 char buf[128 + PADLOCK_ALIGNMENT - STACK_ALIGN] __attribute__
140 ((aligned(STACK_ALIGN)));
141 char *result = PTR_ALIGN(&buf[0], PADLOCK_ALIGNMENT);
132 struct padlock_sha_desc *dctx = shash_desc_ctx(desc); 142 struct padlock_sha_desc *dctx = shash_desc_ctx(desc);
133 struct sha256_state state; 143 struct sha256_state state;
134 unsigned int space; 144 unsigned int space;