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authorJoerg Roedel <jroedel@suse.de>2014-12-09 13:18:22 +0100
committerJoerg Roedel <jroedel@suse.de>2015-01-05 12:23:38 +0100
commit6d1b9cc9ee10374290583f69270e97de38128fb6 (patch)
tree23741ceae4167a9548d5f39fab9178345ef26307 /drivers
parent62c22167dd70b730f61c2b88f950e98154a87980 (diff)
downloadlinux-6d1b9cc9ee10374290583f69270e97de38128fb6.tar.bz2
iommu/vt-d: Remove dead code in device_notifier
This code only runs when action == BUS_NOTIFY_REMOVED_DEVICE, so it can't be BUS_NOTIFY_DEL_DEVICE. Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/iommu/intel-iommu.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 761012114fc7..40dfbc0444c0 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4029,14 +4029,6 @@ static int device_notifier(struct notifier_block *nb,
if (action != BUS_NOTIFY_REMOVED_DEVICE)
return 0;
- /*
- * If the device is still attached to a device driver we can't
- * tear down the domain yet as DMA mappings may still be in use.
- * Wait for the BUS_NOTIFY_UNBOUND_DRIVER event to do that.
- */
- if (action == BUS_NOTIFY_DEL_DEVICE && dev->driver != NULL)
- return 0;
-
domain = find_domain(dev);
if (!domain)
return 0;