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RDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF

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ib_dealloc_device() should be called only after device cleanup.  Fix the
dealloc sequence.

Fixes: 6d758147c7 ("RDMA/bnxt_re: Use auxiliary driver interface")
Link: https://lore.kernel.org/r/1691642677-21369-2-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Selvin Xavier 2023-08-09 21:44:35 -07:00 committed by Jason Gunthorpe
parent 8e7b295da1
commit 5363fc488d
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/bnxt_re/main.c
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@ -1526,8 +1526,8 @@ static void bnxt_re_remove(struct auxiliary_device *adev)
}
bnxt_re_setup_cc(rdev, false);
ib_unregister_device(&rdev->ibdev);
ib_dealloc_device(&rdev->ibdev);
bnxt_re_dev_uninit(rdev);
ib_dealloc_device(&rdev->ibdev);
skip_remove:
mutex_unlock(&bnxt_re_mutex);
}