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) > init_send_wqe > 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 <baijiaju1...@163.com>
Thanks, applied. -- Doug Ledford <dledf...@redhat.com> GPG KeyID: B826A3330E572FDD Key fingerprint = AE6B 1BDA 122B 23B4 265B 1274 B826 A333 0E57 2FDD
