Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

[safe/jmp/linux-2.6] / drivers / crypto / padlock-aes.c

diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c
index a9952b1..2e992bc 100644 (file)
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -17,6 +17,7 @@
 #include <linux/kernel.h>
 #include <linux/percpu.h>
 #include <linux/smp.h>
+#include <linux/slab.h>
 #include <asm/byteorder.h>
 #include <asm/processor.h>
 #include <asm/i387.h>
@@ -64,7 +65,7 @@ struct aes_ctx {
        u32 *D;
 };
 
-static DEFINE_PER_CPU(struct cword *, last_cword);
+static DEFINE_PER_CPU(struct cword *, paes_last_cword);
 
 /* Tells whether the ACE is capable to generate
    the extended key for a given key_len. */
@@ -152,9 +153,9 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
 
 ok:
        for_each_online_cpu(cpu)
-               if (&ctx->cword.encrypt == per_cpu(last_cword, cpu) ||
-                   &ctx->cword.decrypt == per_cpu(last_cword, cpu))
-                       per_cpu(last_cword, cpu) = NULL;
+               if (&ctx->cword.encrypt == per_cpu(paes_last_cword, cpu) ||
+                   &ctx->cword.decrypt == per_cpu(paes_last_cword, cpu))
+                       per_cpu(paes_last_cword, cpu) = NULL;
 
        return 0;
 }
@@ -166,7 +167,7 @@ static inline void padlock_reset_key(struct cword *cword)
 {
        int cpu = raw_smp_processor_id();
 
-       if (cword != per_cpu(last_cword, cpu))
+       if (cword != per_cpu(paes_last_cword, cpu))
 #ifndef CONFIG_X86_64
                asm volatile ("pushfl; popfl");
 #else
@@ -176,7 +177,7 @@ static inline void padlock_reset_key(struct cword *cword)
 
 static inline void padlock_store_cword(struct cword *cword)
 {
-       per_cpu(last_cword, raw_smp_processor_id()) = cword;
+       per_cpu(paes_last_cword, raw_smp_processor_id()) = cword;
 }
 
 /*
@@ -236,7 +237,7 @@ static inline void ecb_crypt(const u8 *in, u8 *out, u32 *key,
        /* Padlock in ECB mode fetches at least ecb_fetch_bytes of data.
         * We could avoid some copying here but it's probably not worth it.
         */
-       if (unlikely(((unsigned long)in & PAGE_SIZE) + ecb_fetch_bytes > PAGE_SIZE)) {
+       if (unlikely(((unsigned long)in & ~PAGE_MASK) + ecb_fetch_bytes > PAGE_SIZE)) {
                ecb_crypt_copy(in, out, key, cword, count);
                return;
        }
@@ -248,7 +249,7 @@ static inline u8 *cbc_crypt(const u8 *in, u8 *out, u32 *key,
                            u8 *iv, struct cword *cword, int count)
 {
        /* Padlock in CBC mode fetches at least cbc_fetch_bytes of data. */
-       if (unlikely(((unsigned long)in & PAGE_SIZE) + cbc_fetch_bytes > PAGE_SIZE))
+       if (unlikely(((unsigned long)in & ~PAGE_MASK) + cbc_fetch_bytes > PAGE_SIZE))
                return cbc_crypt_copy(in, out, key, iv, cword, count);
 
        return rep_xcrypt_cbc(in, out, key, iv, cword, count);