RDMA/uverbs: Fix RCU annotation for radix slot deference

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The uapi radix tree is a write-once data structure protected by kref.
Once we get to the ioctl() fop it is not possible for anything else
to be writing to it, so the access should use rcu_dereference_protected.

Reported-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

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Jason Gunthorpe 2018-09-28 16:28:02 -06:00

parent 914e5d7d46

commit e73798f20e

1 changed files with 3 additions and 6 deletions

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9

drivers/infiniband/core/uverbs_ioctl.c

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