[PATCH] dma: edma: Fix memory leak

From: Valentin Ilie
Date: Thu Oct 24 2013 - 09:14:46 EST


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

Signed-off-by: Valentin Ilie <valentin.ilie@xxxxxxxxx>
---
drivers/dma/edma.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 098a8da..79ebac6 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -305,6 +305,7 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg(
edma_alloc_slot(EDMA_CTLR(echan->ch_num),
EDMA_SLOT_ANY);
if (echan->slot[i] < 0) {
+ kfree(edesc);
dev_err(dev, "Failed to allocate slot\n");
return NULL;
}
--
1.8.1.2

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