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
When creating CQ/QP rings, an object can have up to PVRDMA_MAX_FAST_REG_PAGES 8 pages. Check 'npages' parameter to avoid excessive memory allocation or a null dereference. Reported-by: Li Qiang <liq3ea@163.com> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>