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RDMA: Check umem pointer validity prior to release

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Update ib_umem_release() to behave similarly to kfree() and allow
submitting NULL pointer as safe input to this function.

Fixes: a52c8e2469 ("RDMA: Clean destroy CQ in drivers do not return errors")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Leon Romanovsky 2019-06-16 15:05:20 +03:00 • committed by Doug Ledford
commit 836a0fbb3e
26 changed files with 73 additions and 132 deletions
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