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cxgb3: avoid potential memory leak.
Add consistency in alloc_ring() parameter checking to avoid potential memory leaks. alloc_ring() callers are correct fo far. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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43a944f373
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1 changed files with 2 additions and 3 deletions
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@ -549,16 +549,15 @@ static void *alloc_ring(struct pci_dev *pdev, size_t nelem, size_t elem_size,
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if (!p)
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return NULL;
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if (sw_size) {
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if (sw_size && metadata) {
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s = kcalloc(nelem, sw_size, GFP_KERNEL);
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if (!s) {
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dma_free_coherent(&pdev->dev, len, p, *phys);
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return NULL;
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}
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}
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if (metadata)
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*(void **)metadata = s;
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}
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memset(p, 0, len);
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return p;
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}
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