From: Keith Busch <keith.busch@intel.com>
Date: Thu, 31 Jan 2013 21:40:38 +0000 (-0700)
Subject: NVMe: Add namespaces with no LBA range feature
X-Git-Tag: v3.9-rc4~8^2
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=122090366d1d5c6ec1bfb6dfdb3a6d121ff074aa;p=pandora-kernel.git

NVMe: Add namespaces with no LBA range feature

The LBA Range Type feature is optional in the NVMe specification,
so we should continue with adding namespaces for controllers that do
not implement this feature.

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

diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c
index 993c014d195a..e209ec5930cc 100644
--- a/drivers/block/nvme.c
+++ b/drivers/block/nvme.c
@@ -1540,7 +1540,7 @@ static int __devinit nvme_dev_add(struct nvme_dev *dev)
 		res = nvme_get_features(dev, NVME_FEAT_LBA_RANGE, i,
 							dma_addr + 4096, NULL);
 		if (res)
-			continue;
+			memset(mem + 4096, 0, 4096);
 
 		ns = nvme_alloc_ns(dev, i, mem, mem + 4096);
 		if (ns)