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authorKeith Busch <keith.busch@intel.com>2012-07-26 00:05:18 +0200
committerMatthew Wilcox <matthew.r.wilcox@intel.com>2012-07-26 18:23:38 +0200
commit5c42ea1643a630060f9e71e06d3933d244970967 (patch)
tree45a0acae315367d8807ccf0a128dcfd3138b430d /drivers/block/nvme.c
parentNVMe: Set request queue logical block size (diff)
downloadlinux-5c42ea1643a630060f9e71e06d3933d244970967.tar.xz
linux-5c42ea1643a630060f9e71e06d3933d244970967.zip
NVMe: Fix nvme module init when nvme_major is set
register_blkdev returns 0 when given a valid major number. Reported-by:Ross Zwisler <ross.zwisler@intel.com> Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Diffstat (limited to 'drivers/block/nvme.c')
-rw-r--r--drivers/block/nvme.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c
index 38b9c73f6706..46e33eec6298 100644
--- a/drivers/block/nvme.c
+++ b/drivers/block/nvme.c
@@ -1716,9 +1716,11 @@ static int __init nvme_init(void)
if (IS_ERR(nvme_thread))
return PTR_ERR(nvme_thread);
- nvme_major = register_blkdev(nvme_major, "nvme");
- if (nvme_major <= 0)
+ result = register_blkdev(nvme_major, "nvme");
+ if (result < 0)
goto kill_kthread;
+ else if (result > 0)
+ nvme_major = result;
result = pci_register_driver(&nvme_driver);
if (result)