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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>
hifive-unleashed-5.1
Divy Le Ray 2008-11-26 15:35:59 -08:00 committed by David S. Miller
parent 43a944f373
commit 5256554489
1 changed files with 2 additions and 3 deletions
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5
drivers/net/cxgb3/sge.c
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@ -549,16 +549,15 @@ static void *alloc_ring(struct pci_dev *pdev, size_t nelem, size_t elem_size,
if (!p)
return NULL;
if (sw_size) {
if (sw_size && metadata) {
s = kcalloc(nelem, sw_size, GFP_KERNEL);
if (!s) {
dma_free_coherent(&pdev->dev, len, p, *phys);
return NULL;
}
}
if (metadata)
*(void **)metadata = s;
}
memset(p, 0, len);
return p;
}