NVMe: removed unused nn var from nvme_dev_add
NVMe: removed unused nn var from nvme_dev_add

The logic in nvme_dev_add to enumerate namespaces was moved to
nvme_dev_scan. When moved, the nn variable is no longer used. This patch
removes it.

Fixes: a5768aai ("NVMe: Automatic namespace rescan")
Signed-off-by: Matias Bjørling <6b0d31c0d563223024da45691584643ac78c96e8@bjorling.me>
Reviewed-by: Christoph Hellwig <923f7720577207a44b32e59bbfbea59d27f1ae8e@lst.de>
Signed-off-by: Jens Axboe <cd8c6775e60d6f67a6984377324e5290df3d5358@fb.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs