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| author | Geliang Tang <geliangtang@163.com> | 2015-11-21 14:24:11 (GMT) |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-11-24 10:19:19 (GMT) |
| commit | 1d4bbc5a6f475f48b878715de832cd2ac99226b1 (patch) | |
| tree | 4c243f62f15ba35387265c6de8764460455d3a0f | |
| parent | f143fc673546477f16aba7b7bf456629d06ac4e7 (diff) | |
| download | linux-1d4bbc5a6f475f48b878715de832cd2ac99226b1.tar.xz | |
crypto: padlock-aes - use offset_in_page macro
Use offset_in_page macro instead of (addr & ~PAGE_MASK).
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/padlock-aes.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c index da2d677..be2dd10 100644 --- a/drivers/crypto/padlock-aes.c +++ b/drivers/crypto/padlock-aes.c @@ -238,7 +238,7 @@ 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_MASK) + ecb_fetch_bytes > PAGE_SIZE)) { + if (unlikely(offset_in_page(in) + ecb_fetch_bytes > PAGE_SIZE)) { ecb_crypt_copy(in, out, key, cword, count); return; } @@ -250,7 +250,7 @@ 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_MASK) + cbc_fetch_bytes > PAGE_SIZE)) + if (unlikely(offset_in_page(in) + 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); |