From: Matthew Wilcox <matthew.r.wilcox@intel.com>
Date: Fri, 6 Jan 2012 20:49:25 +0000 (-0700)
Subject: NVMe: Mark the end of the sg list
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=fe304c43c6d63e29ed4fc46a874d7a74313788c5;p=linux-beck.git

NVMe: Mark the end of the sg list

For user I/O and admin commands, we were forgetting to mark the end of
the SG list.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
---

diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c
index 3f8cae9dc960..71fc9030b4df 100644
--- a/drivers/block/nvme.c
+++ b/drivers/block/nvme.c
@@ -1045,6 +1045,7 @@ static struct nvme_iod *nvme_map_user_pages(struct nvme_dev *dev, int write,
 		length -= (PAGE_SIZE - offset);
 		offset = 0;
 	}
+	sg_mark_end(&sg[i - 1]);
 
 	err = -ENOMEM;
 	nents = dma_map_sg(&dev->pci_dev->dev, sg, count,