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https://github.com/DigitalDevices/dddvb.git
synced 2023-10-10 13:37:43 +02:00
Set allocated memory to zero.
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parent
01ca1b8805
commit
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@ -281,9 +281,9 @@ static int dma_alloc(struct pci_dev *pdev, struct ddb_dma *dma, int dir)
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for (i = 0; i < dma->num; i++) {
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for (i = 0; i < dma->num; i++) {
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if (alt_dma) {
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if (alt_dma) {
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#if (KERNEL_VERSION(4, 13, 0) > LINUX_VERSION_CODE)
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#if (KERNEL_VERSION(4, 13, 0) > LINUX_VERSION_CODE)
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dma->vbuf[i] = kmalloc(dma->size, __GFP_REPEAT);
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dma->vbuf[i] = kzalloc(dma->size, __GFP_REPEAT);
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#else
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#else
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dma->vbuf[i] = kmalloc(dma->size, __GFP_RETRY_MAYFAIL);
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dma->vbuf[i] = kzalloc(dma->size, __GFP_RETRY_MAYFAIL);
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#endif
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#endif
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if (!dma->vbuf[i])
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if (!dma->vbuf[i])
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return -ENOMEM;
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return -ENOMEM;
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@ -301,7 +301,7 @@ static int dma_alloc(struct pci_dev *pdev, struct ddb_dma *dma, int dir)
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dma->vbuf[i] = dma_alloc_coherent(&pdev->dev,
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dma->vbuf[i] = dma_alloc_coherent(&pdev->dev,
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dma->size,
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dma->size,
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&dma->pbuf[i],
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&dma->pbuf[i],
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GFP_KERNEL);
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GFP_KERNEL | __GFP_ZERO);
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if (!dma->vbuf[i])
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if (!dma->vbuf[i])
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return -ENOMEM;
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return -ENOMEM;
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}
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}
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