IB/ehca: Fix improper use of yield() with spinlock held (ce29d72c) · Commits · e / devices / android_kernel_samsung_universal8895

drivers/infiniband/hw/ehca/ehca_cq.c

+4 −1

Original line number	Original line	Diff line number	Diff line
	@@ -344,8 +344,11 @@ int ehca_destroy_cq(struct ib_cq *cq)
	unsigned long flags;		unsigned long flags;

	spin_lock_irqsave(&ehca_cq_idr_lock, flags);		spin_lock_irqsave(&ehca_cq_idr_lock, flags);
	while (my_cq->nr_callbacks)		while (my_cq->nr_callbacks) {
			spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
	yield();		yield();
			spin_lock_irqsave(&ehca_cq_idr_lock, flags);
			}

	idr_remove(&ehca_cq_idr, my_cq->token);		idr_remove(&ehca_cq_idr, my_cq->token);
	spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);		spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);