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dma: edma: Fix memory leak

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When it fails to allocate a slot, edesc should be free'd before return;

Signed-off-by: Valentin Ilie <valentin.ilie@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Valentin Ilie 2013-10-24 16:14:22 +03:00 committed by Vinod Koul
parent 18ebd564e4
commit 4b6271a644
1 changed files with 1 additions and 0 deletions
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drivers/dma/edma.c
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@ -305,6 +305,7 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg(
edma_alloc_slot(EDMA_CTLR(echan->ch_num), edma_alloc_slot(EDMA_CTLR(echan->ch_num),
EDMA_SLOT_ANY); EDMA_SLOT_ANY);
if (echan->slot[i] < 0) { if (echan->slot[i] < 0) {
kfree(edesc);
dev_err(dev, "Failed to allocate slot\n"); dev_err(dev, "Failed to allocate slot\n");
kfree(edesc); kfree(edesc);
return NULL; return NULL;