On Tue, Jan 26, 2021 at 01:06:29PM +0000, Shameer Kolothum wrote:
The device iommu probe/attach might have failed leaving dev->iommu to NULL and device drivers may still invoke these functions resulting a crash in iommu vendor driver code. Hence make sure we check that.
Signed-off-by: Shameer Kolothum shameerali.kolothum.thodi@huawei.com
drivers/iommu/iommu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index ffeebda8d6de..cb68153c5cc0 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -2867,7 +2867,7 @@ bool iommu_dev_has_feature(struct device *dev, enum iommu_dev_features feat)
This function has been removed from the iommu-tree. Can you please rebase this patch against the latest 'core' branch when I pushed it later this week (maybe even later today)? A Fixes tag would be nice too.
Regards,
Joerg