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-rw-r--r--drivers/ata/libata-eh.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index aafe82bf5e2..90092c1aae5 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1194,6 +1194,11 @@ void ata_dev_disable(struct ata_device *dev)
ata_acpi_on_disable(dev);
ata_down_xfermask_limit(dev, ATA_DNXFER_FORCE_PIO0 | ATA_DNXFER_QUIET);
dev->class++;
+
+ /* From now till the next successful probe, ering is used to
+ * track probe failures. Clear accumulated device error info.
+ */
+ ata_ering_clear(&dev->ering);
}
/**
@@ -2765,6 +2770,8 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
readid_flags, dev->id);
switch (rc) {
case 0:
+ /* clear error info accumulated during probe */
+ ata_ering_clear(&dev->ering);
new_mask |= 1 << dev->devno;
break;
case -ENOENT: