diff options
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/async_tx/async_memcpy.c | 6 | ||||
| -rw-r--r-- | crypto/async_tx/async_memset.c | 1 | ||||
| -rw-r--r-- | crypto/async_tx/async_tx.c | 9 | ||||
| -rw-r--r-- | crypto/async_tx/async_xor.c | 4 |
4 files changed, 13 insertions, 7 deletions
diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c index 361b5e8239b..9e62feffb37 100644 --- a/crypto/async_tx/async_memcpy.c +++ b/crypto/async_tx/async_memcpy.c @@ -67,6 +67,12 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset, tx = device->device_prep_dma_memcpy(chan, dma_dest, dma_src, len, dma_prep_flags); + if (!tx) { + dma_unmap_page(device->dev, dma_dest, len, + DMA_FROM_DEVICE); + dma_unmap_page(device->dev, dma_src, len, + DMA_TO_DEVICE); + } } if (tx) { diff --git a/crypto/async_tx/async_memset.c b/crypto/async_tx/async_memset.c index 58e4a8752ae..05a4d1e0014 100644 --- a/crypto/async_tx/async_memset.c +++ b/crypto/async_tx/async_memset.c @@ -25,6 +25,7 @@ */ #include <linux/kernel.h> #include <linux/interrupt.h> +#include <linux/module.h> #include <linux/mm.h> #include <linux/dma-mapping.h> #include <linux/async_tx.h> diff --git a/crypto/async_tx/async_tx.c b/crypto/async_tx/async_tx.c index 84212097937..7be34248b45 100644 --- a/crypto/async_tx/async_tx.c +++ b/crypto/async_tx/async_tx.c @@ -128,8 +128,8 @@ async_tx_channel_switch(struct dma_async_tx_descriptor *depend_tx, } device->device_issue_pending(chan); } else { - if (dma_wait_for_async_tx(depend_tx) == DMA_ERROR) - panic("%s: DMA_ERROR waiting for depend_tx\n", + if (dma_wait_for_async_tx(depend_tx) != DMA_SUCCESS) + panic("%s: DMA error waiting for depend_tx\n", __func__); tx->tx_submit(tx); } @@ -280,8 +280,9 @@ void async_tx_quiesce(struct dma_async_tx_descriptor **tx) * we are referring to the correct operation */ BUG_ON(async_tx_test_ack(*tx)); - if (dma_wait_for_async_tx(*tx) == DMA_ERROR) - panic("DMA_ERROR waiting for transaction\n"); + if (dma_wait_for_async_tx(*tx) != DMA_SUCCESS) + panic("%s: DMA error waiting for transaction\n", + __func__); async_tx_ack(*tx); *tx = NULL; } 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 * |