diff mbox series

[05/42,SRU,U] UBUNTU: SAUCE: iommu/amd: Remove dma_mask check from check_device()

Message ID 20200526125954.237403-6-vicamo.yang@canonical.com
State New
Headers show
Series Fix can't find root device on VMD when secureboot enabled | expand

Commit Message

You-Sheng Yang May 26, 2020, 12:59 p.m. UTC 
From: Joerg Roedel <jroedel@suse.de>

BugLink: https://bugs.launchpad.net/bugs/1876707

The check was only needed for the DMA-API implementation in the AMD
IOMMU driver, which no longer exists.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20200429133712.31431-6-joro@8bytes.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
(cherry picked from commit c0da9b9f5afdb56ae2aaccf79f36a358ac8454c8
iommu/next)
Signed-off-by: You-Sheng Yang <vicamo.yang@canonical.com>
---
 drivers/iommu/amd_iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index ff862d524f79..af9fc3156c64 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -348,7 +348,7 @@  static bool check_device(struct device *dev)
 {
 	int devid;
 
-	if (!dev || !dev->dma_mask)
+	if (!dev)
 		return false;
 
 	devid = get_device_id(dev);