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path: root/drivers/crypto/padlock-aes.c
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Diffstat (limited to 'drivers/crypto/padlock-aes.c')
-rw-r--r--drivers/crypto/padlock-aes.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c
index 17ee684144f9..b643d71298a9 100644
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -59,6 +59,9 @@
#define AES_EXTENDED_KEY_SIZE 64 /* in uint32_t units */
#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 {
struct cword encrypt;
@@ -66,8 +69,10 @@ struct aes_ctx {
} cword;
u32 *D;
int key_length;
- u32 E[AES_EXTENDED_KEY_SIZE];
- u32 d_data[AES_EXTENDED_KEY_SIZE];
+ u32 E[AES_EXTENDED_KEY_SIZE]
+ __attribute__ ((__aligned__(PADLOCK_ALIGNMENT)));
+ u32 d_data[AES_EXTENDED_KEY_SIZE]
+ __attribute__ ((__aligned__(PADLOCK_ALIGNMENT)));
};
/* ====== Key management routines ====== */