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>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index e18a58068bca..77242b37ef87 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;
         }