Re: [PATCH V5] rxe: Fix a sleep-in-atomic bug in post_one_send

[Doug Ledford]

On Mon, 2017-06-05 at 20:23 +0800, Jia-Ju Bai wrote:
> The driver may sleep under a spin lock, and the function call path
> is:
> post_one_send (acquire the lock by spin_lock_irqsave)
> Â init_send_wqe
> ÂÂÂ copy_from_user --> may sleep
> 
> There is no flow that makes "qp->is_user" true, and copy_from_user
> may
> cause bug when a non-user pointer is used. So the lines of
> copy_from_user
> and check of "qp->is_user" are removed.
> 
> Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxx>

Thanks, applied.

-- 
Doug Ledford <dledford@xxxxxxxxxx>
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