diff options
Diffstat (limited to 'crypto/async_tx')
-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 | ||||
-rw-r--r-- | crypto/async_tx/raid6test.c | 9 |
5 files changed, 15 insertions, 14 deletions
diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c index 361b5e82..9e62feff 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 58e4a875..05a4d1e0 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 84212097..7be34248 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 154cc843..8ade0a04 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 * diff --git a/crypto/async_tx/raid6test.c b/crypto/async_tx/raid6test.c index aa2b0270..4a92bac7 100644 --- a/crypto/async_tx/raid6test.c +++ b/crypto/async_tx/raid6test.c @@ -46,15 +46,10 @@ static void callback(void *param) static void makedata(int disks) { - int i, j; + int i; for (i = 0; i < disks; i++) { - for (j = 0; j < PAGE_SIZE/sizeof(u32); j += sizeof(u32)) { - u32 *p = page_address(data[i]) + j; - - *p = random32(); - } - + prandom_bytes(page_address(data[i]), PAGE_SIZE); dataptrs[i] = data[i]; } } |