From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Mon, 17 Oct 2016 15:16:35 +0000 (+0000)
Subject: dmaengine: edma: Fix error return code in edma_alloc_chan_resources()
X-Git-Tag: v4.14-rc1~2069^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f95df7d6cd92787d54c9ad3d4843f9bcd137f9db;p=platform%2Fkernel%2Flinux-rpi.git

dmaengine: edma: Fix error return code in edma_alloc_chan_resources()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index e18a580..77242b3 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -1628,6 +1628,7 @@ static int edma_alloc_chan_resources(struct dma_chan *chan)
 	if (echan->slot[0] < 0) {
 		dev_err(dev, "Entry slot allocation failed for channel %u\n",
 			EDMA_CHAN_SLOT(echan->ch_num));
+		ret = echan->slot[0];
 		goto err_slot;
 	}