Staging: vme: Add syncronize interrupts before removing callback (75155020) · Commits · 戴 / test

As identified by Jiri, there is no syncronisation before callback is removed. Signed-off-by:

Martyn Welch <martyn.welch@gefanuc.com> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by:

drivers/staging/vme/bridges/vme_tsi148.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -480,6 +480,7 @@ int tsi148_request_irq(int level, int statid,
		void tsi148_free_irq(int level, int statid)
		{
		u32 tmp;
		struct pci_dev *pdev;

		/* Get semaphore */
		down(&(vme_irq));
		@@ -495,6 +496,10 @@ void tsi148_free_irq(int level, int statid)
		tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEO);
		tmp &= ~TSI148_LCSR_INTEO_IRQEO[level - 1];
		iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEO);

		pdev = container_of(tsi148_bridge->parent, struct pci_dev, dev);

		synchronize_irq(pdev->irq);
		}

		tsi148_bridge->irq[level - 1].callback[statid].func = NULL;