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Diffstat (limited to 'crypto/async_tx/async_xor.c')
| -rw-r--r-- | crypto/async_tx/async_xor.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c index 154cc84381c..8ade0a0481c 100644 --- a/crypto/async_tx/async_xor.c +++ b/crypto/async_tx/async_xor.c @@ -230,9 +230,7 @@ EXPORT_SYMBOL_GPL(async_xor); static int page_is_zero(struct page *p, unsigned int offset, size_t len) { - char *a = page_address(p) + offset; - return ((*(u32 *) a) == 0 && - memcmp(a, a + 4, len - 4) == 0); + return !memchr_inv(page_address(p) + offset, 0, len); } static inline struct dma_chan * |