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 098a8da450f0cababa616ef83f1e65fa82578ea1..3519111c566b8a3bc9a43b8b89bc2b866c3d833e 100644 (file)
--- 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;
                        }
                }