From: Geliang Tang Date: Sat, 21 Nov 2015 14:24:11 +0000 (+0800) Subject: crypto: padlock-aes - use offset_in_page macro X-Git-Tag: v4.14-rc1~4048^2~74 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1d4bbc5a6f475f48b878715de832cd2ac99226b1;p=platform%2Fkernel%2Flinux-rpi.git crypto: padlock-aes - use offset_in_page macro Use offset_in_page macro instead of (addr & ~PAGE_MASK). Signed-off-by: Geliang Tang Signed-off-by: Herbert Xu --- 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);