From: Geyslan G. Bem <geyslan@gmail.com>
Date: Mon, 7 Oct 2013 22:19:58 +0000 (-0300)
Subject: dma: edma.c: remove edma_desc leakage
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2f6d8fad0a1636e675308088c35e863d066e0949;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

dma: edma.c: remove edma_desc leakage

Free memory allocated to edma_desc when failing to allocate slot.

Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 098a8da450f0..3519111c566b 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -306,6 +306,7 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg(
 						EDMA_SLOT_ANY);
 			if (echan->slot[i] < 0) {
 				dev_err(dev, "Failed to allocate slot\n");
+				kfree(edesc);
 				return NULL;
 			}
 		}