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Commit 23fa9618 authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
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[PATCH] sata_sil: add controller unplug detection in sil_interrupt() 



Short-circuit interrupt handling if BMDMA2 is reported as 0xffffffff
indicating device removal.

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 3b01b8af

drivers/scsi/sata_sil.c

+2 −1
Original line number Diff line number Diff line
@@ -419,7 +419,8 @@ static irqreturn_t sil_interrupt(int irq, void *dev_instance, 
		if (unlikely(!ap || ap->flags & ATA_FLAG_DISABLED))

			continue;



		if (!(bmdma2 & (SIL_DMA_COMPLETE | SIL_DMA_SATA_IRQ)))

		if (bmdma2 == 0xffffffff ||

		    !(bmdma2 & (SIL_DMA_COMPLETE | SIL_DMA_SATA_IRQ)))

			continue;



		sil_host_intr(ap, bmdma2);