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nvme: fix incorrect behavior when BLKROSET is called by the user
authorSagi Grimberg <sagi@grimberg.me>
Mon, 9 Nov 2020 10:57:34 +0000 (02:57 -0800)
committerChristoph Hellwig <hch@lst.de>
Mon, 9 Nov 2020 16:39:15 +0000 (17:39 +0100)
commit65c5a055b0d567b7e7639d942c0605da9cc54c5e
treefeb2d7ce2260930cb8d297ec2e80bffbddd20024
parente1777d099728a76a8f8090f89649aac961e7e530
nvme: fix incorrect behavior when BLKROSET is called by the user

The offending commit breaks BLKROSET ioctl because a device
revalidation will blindly override BLKROSET setting. Hence,
we remove the disk rw setting in case NVME_NS_ATTR_RO is cleared
from by the controller.

Fixes: 1293477f4f32 ("nvme: set gendisk read only based on nsattr")
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
drivers/nvme/host/core.c