[PATCH] libata: hold host_set lock while finishing internal qc
Hold host_set lock while finishing internal qc.
Signed-off-by: Tejun Heo <htejun@gmail.com>
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 86cd0e0..13bce43 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1031,6 +1031,9 @@
spin_unlock_irqrestore(&ap->host_set->lock, flags);
}
+ /* finish up */
+ spin_lock_irqsave(&ap->host_set->lock, flags);
+
*tf = qc->tf;
err_mask = qc->err_mask;
@@ -1052,6 +1055,8 @@
ata_port_probe(ap);
}
+ spin_unlock_irqrestore(&ap->host_set->lock, flags);
+
return err_mask;
}