tree f1273273514af929c7d6f8c111fcbacf5f63fb61
parent fbd0e2b0c3d0b2eeaef471c9fe19ae5a7b2ee970
author Jason Gunthorpe <jgg@nvidia.com> 1617738032 -0300
committer Alex Williamson <alex.williamson@redhat.com> 1617831558 -0600

vfio/mdev: Add missing error handling to dev_set_name()

This can fail, and seems to be a popular target for syzkaller error
injection. Check the error return and unwind with put_device().

Fixes: 7b96953bc640 ("vfio: Mediated device Core driver")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Message-Id: <9-v2-d36939638fc6+d54-vfio2_jgg@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>