diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/dmatest.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index b9339524d5bd..aa1712beb0cc 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -468,6 +468,8 @@ static int dmatest_func(void *data) unsigned long long total_len = 0; u8 align = 0; bool is_memset = false; + dma_addr_t *srcs; + dma_addr_t *dma_pq; set_freezable(); @@ -551,6 +553,14 @@ static int dmatest_func(void *data) set_user_nice(current, 10); + srcs = kcalloc(src_cnt, sizeof(dma_addr_t), GFP_KERNEL); + if (!srcs) + goto err_dstbuf; + + dma_pq = kcalloc(dst_cnt, sizeof(dma_addr_t), GFP_KERNEL); + if (!dma_pq) + goto err_srcs_array; + /* * src and dst buffers are freed by ourselves below */ @@ -561,7 +571,6 @@ static int dmatest_func(void *data) && !(params->iterations && total_tests >= params->iterations)) { struct dma_async_tx_descriptor *tx = NULL; struct dmaengine_unmap_data *um; - dma_addr_t srcs[src_cnt]; dma_addr_t *dsts; unsigned int src_off, dst_off, len; @@ -676,8 +685,6 @@ static int dmatest_func(void *data) srcs, src_cnt, len, flags); else if (thread->type == DMA_PQ) { - dma_addr_t dma_pq[dst_cnt]; - for (i = 0; i < dst_cnt; i++) dma_pq[i] = dsts[i] + dst_off; tx = dev->device_prep_dma_pq(chan, dma_pq, srcs, @@ -779,6 +786,9 @@ static int dmatest_func(void *data) runtime = ktime_to_us(ktime); ret = 0; + kfree(dma_pq); +err_srcs_array: + kfree(srcs); err_dstbuf: for (i = 0; thread->udsts[i]; i++) kfree(thread->udsts[i]); |