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

Pull slave-dmaengine fixes from Vinod Koul:
 "Here is the late fixes pull request for dmaengine while you fly back
  from KS.

  We have a new dmaengine ML hosted by vger so a patch for that along
  with addition of Dave as driver mainatainer for ioat.  Other fixes are
  memeory leak fixes on edma driver, small fixes on rcar-hpbdma driver
  by Sergei"

* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: edma: fix another memory leak
  dma: edma: Fix memory leak
  MAINTAINERS: add to ioatdma maintainer list
  MAINTAINERS: add the new dmaengine mailing list

2 files changed, 8 insertions, 1 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index c8d60c45c22e..3438384d270c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2728,6 +2728,8 @@ T:	git git://git.linaro.org/people/sumitsemwal/linux-dma-buf.git
 DMA GENERIC OFFLOAD ENGINE SUBSYSTEM
 M:      Vinod Koul <vinod.koul@intel.com>
 M:      Dan Williams <dan.j.williams@intel.com>
+L:      dmaengine@vger.kernel.org
+Q:      https://patchwork.kernel.org/project/linux-dmaengine/list/
 S:      Supported
 F:      drivers/dma/
 F:      include/linux/dma*
@@ -4367,7 +4369,10 @@ F:	arch/x86/kernel/microcode_intel.c
 
 INTEL I/OAT DMA DRIVER
 M:      Dan Williams <dan.j.williams@intel.com>
-S:      Maintained
+M:      Dave Jiang <dave.jiang@intel.com>
+L:      dmaengine@vger.kernel.org
+Q:      https://patchwork.kernel.org/project/linux-dmaengine/list/
+S:      Supported
 F:      drivers/dma/ioat*
 
 INTEL IOMMU (VT-d)
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 3519111c566b..10b577fcf48d 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -305,6 +305,7 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg(
                                 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");
                                 kfree(edesc);
                                 return NULL;
@@ -346,6 +347,7 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg(
                         ccnt = sg_dma_len(sg) / (acnt * bcnt);
                         if (ccnt > (SZ_64K - 1)) {
                                 dev_err(dev, "Exceeded max SG segment size\n");
+                                kfree(edesc);
                                 return NULL;
                         }
                         cidx = acnt * bcnt;