AuxXxilium/linux_dsm_epyc7002
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Merge branch 'topic/dmatest' into for-linus

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This commit is contained in:
Vinod Koul 2018-06-04 10:28:06 +05:30
commit 34cc234ffa
1 changed files with 13 additions and 3 deletions
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16
drivers/dma/dmatest.c
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@ -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]);