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[PATCH] sata_sil: add controller unplug detection in sil_interrupt()
[sfrench/cifs-2.6.git]
/
drivers
/
scsi
/
sata_sil.c
diff --git
a/drivers/scsi/sata_sil.c
b/drivers/scsi/sata_sil.c
index 0898cbe6458c89f507c848e6c56e7eb7a152ec0c..a7e99a1def2ffbf59da5c0bd0001c6fccecfd0b2 100644
(file)
--- a/
drivers/scsi/sata_sil.c
+++ b/
drivers/scsi/sata_sil.c
@@
-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);