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authorJack Morgenstein <jackm@dev.mellanox.co.il>2020-12-08 08:35:44 +0100
committerJason Gunthorpe <jgg@nvidia.com>2020-12-10 20:05:17 +0100
commit779e0bf47632c609c59f527f9711ecd3214dccb0 (patch)
treeb968abeb26d3a1539c91e33cdb2a0d8a45533308 /include/rdma
parentRDMA/core: Clean up cq pool mechanism (diff)
downloadlinux-779e0bf47632c609c59f527f9711ecd3214dccb0.tar.xz
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RDMA/core: Do not indicate device ready when device enablement fails
In procedure ib_register_device, procedure kobject_uevent is called (advertising that the device is ready for userspace usage) even when device_enable_and_get() returned an error. As a result, various RDMA modules attempted to register for the device even while the device driver was preparing to unregister the device. Fix this by advertising the device availability only after enabling the device succeeds. Fixes: e7a5b4aafd82 ("RDMA/device: Don't fire uevent before device is fully initialized") Link: https://lore.kernel.org/r/20201208073545.9723-3-leon@kernel.org Suggested-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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