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path: root/drivers/dma/dmatest.c
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Diffstat (limited to 'drivers/dma/dmatest.c')
-rw-r--r--drivers/dma/dmatest.c16
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]);