diff options
| author | Simon Xue <xxm@rock-chips.com> | 2018-02-08 16:10:56 +0800 |
|---|---|---|
| committer | Tao Huang <huangtao@rock-chips.com> | 2018-02-09 11:08:29 +0800 |
| commit | ed2deb39578ddd25d8d75642076ddb3c83df2df2 (patch) | |
| tree | 8ace727bd2cef56868da5429626bf095611d35c6 /drivers/iommu | |
| parent | 5be2cb19cf8e678655b59ec70c6a5f66f08d9418 (diff) | |
iommu/rockchip: return -ENODEV when a disabled iommu node is referenced by master
When a disabled iommu node is referenced by a master which cause the previous iommu nodes
removed from the iommu group, finally cause kernel crash, return -ENODEV instead -EPROBE_DEFER
if iommu node disabled can fix this issue
Change-Id: I3adf3f4119ff6fff0a2068301338813f5aca8969
Signed-off-by: Simon Xue <xxm@rock-chips.com>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/rockchip-iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index c174b6c1433c..3ef7d54576df 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -1105,7 +1105,7 @@ static int rk_iommu_group_set_iommudata(struct iommu_group *group, of_node_put(args.np); if (!pd) { dev_err(dev, "iommu %s not found\n", args.np->full_name); - return -EPROBE_DEFER; + return -ENODEV; } /* TODO(djkurtz): handle multiple slave iommus for a single master */ |