Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma

Pull slave-dmaengine updates from Vinod Koul:
 - New driver for Qcom bam dma
 - New driver for RCAR peri-peri
 - New driver for FSL eDMA
 - Various odd fixes and updates thru the subsystem

* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (29 commits)
  dmaengine: add Qualcomm BAM dma driver
  shdma: add R-Car Audio DMAC peri peri driver
  dmaengine: sirf: enable generic dt binding for dma channels
  dma: omap-dma: Implement device_slave_caps callback
  dmaengine: qcom_bam_dma: Add device tree binding
  dma: dw: Add suspend and resume handling for PCI mode DW_DMAC.
  dma: dw: allocate memory in two stages in probe
  Add new line to test result strings produced in verbose mode
  dmaengine: pch_dma: use tasklet_kill in teardown
  dmaengine: at_hdmac: use tasklet_kill in teardown
  dma: cppi41: start tear down only if channel is busy
  usb: musb: musb_cppi41: Dont reprogram DMA if tear down is initiated
  dmaengine: s3c24xx-dma: make phy->irq signed for error handling
  dma: imx-dma: Add missing module owner field
  dma: imx-dma: Replace printk with dev_*
  dma: fsl-edma: fix static checker warning of NULL dereference
  dma: Remove comment about embedding dma_slave_config into custom structs
  dma: mmp_tdma: move to generic device tree binding
  dma: mmp_pdma: add IRQF_SHARED when request irq
  dma: edma: Fix memory leak in edma_prep_dma_cyclic()
  ...

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index cd8da451d199..cd04eb7b182e 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -539,6 +539,7 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic(
 				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;
 			}
@@ -553,8 +554,10 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic(
 		ret = edma_config_pset(chan, &edesc->pset[i], src_addr,
 				       dst_addr, burst, dev_width, period_len,
 				       direction);
-		if (ret < 0)
+		if (ret < 0) {
+			kfree(edesc);
 			return NULL;
+		}
 
 		if (direction == DMA_DEV_TO_MEM)
 			dst_addr += period_len;