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authorChristoph Hellwig <hch@lst.de>2017-06-26 12:39:04 +0200
committerJens Axboe <axboe@kernel.dk>2017-06-28 16:14:13 +0200
commitb1465c63449cf79295164061193cb645974da53c (patch)
treeca0142d1368221f650e199a7d1c39fc3d2ca33ae /drivers/nvme
parentnvme: simplify nvme_dev_attrs_are_visible (diff)
downloadlinux-b1465c63449cf79295164061193cb645974da53c.tar.xz
linux-b1465c63449cf79295164061193cb645974da53c.zip
nvme-fabrics: verify that a controller returns the correct NQN
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/fabrics.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index 7996e95383d4..2e582a240943 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -872,6 +872,15 @@ nvmf_create_ctrl(struct device *dev, const char *buf, size_t count)
goto out_unlock;
}
+ if (strcmp(ctrl->subnqn, opts->subsysnqn)) {
+ dev_warn(ctrl->device,
+ "controller returned incorrect NQN: \"%s\".\n",
+ ctrl->subnqn);
+ mutex_unlock(&nvmf_transports_mutex);
+ ctrl->ops->delete_ctrl(ctrl);
+ return ERR_PTR(-EINVAL);
+ }
+
mutex_unlock(&nvmf_transports_mutex);
return ctrl;