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[CRYPTO] padlock: Fix alignment after aes_ctx rearrange 

Herbert's patch 82062c72cd 
in cryptodev-2.6 tree breaks alignment rules for PadLock 
xcrypt instruction leading to General protection Oopses.

This patch fixes the problem.

Signed-off-by: Michal Ludvig <michal@logix.cz>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Michal Ludvig 2006-07-15 11:08:50 +10:00 committed by Herbert Xu
parent ab6cf0d0cb
commit cc08632f8f
1 changed files with 7 additions and 2 deletions
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9
drivers/crypto/padlock-aes.c
View File

@ -59,6 +59,9 @@
#define AES_EXTENDED_KEY_SIZE 64 /* in uint32_t units */ #define AES_EXTENDED_KEY_SIZE 64 /* in uint32_t units */
#define AES_EXTENDED_KEY_SIZE_B (AES_EXTENDED_KEY_SIZE * sizeof(uint32_t)) #define AES_EXTENDED_KEY_SIZE_B (AES_EXTENDED_KEY_SIZE * sizeof(uint32_t))
/* Whenever making any changes to the following
* structure *make sure* you keep E, d_data
* and cword aligned on 16 Bytes boundaries!!! */
struct aes_ctx { struct aes_ctx {
struct { struct {
struct cword encrypt; struct cword encrypt;
@ -66,8 +69,10 @@ struct aes_ctx {
} cword; } cword;
u32 *D; u32 *D;
int key_length; int key_length;
u32 E[AES_EXTENDED_KEY_SIZE]; u32 E[AES_EXTENDED_KEY_SIZE]
u32 d_data[AES_EXTENDED_KEY_SIZE]; __attribute__ ((__aligned__(PADLOCK_ALIGNMENT)));
u32 d_data[AES_EXTENDED_KEY_SIZE]
__attribute__ ((__aligned__(PADLOCK_ALIGNMENT)));
}; };
/* ====== Key management routines ====== */ /* ====== Key management routines ====== */