Commit dc88db7e authored Jul 08, 2014 by Joerg Roedel

iommu/amd: Drop pasid_state reference in ppr_notifer error path



In case we are not able to allocate a fault structure a
reference to the pasid_state will be leaked. Fix that by
dropping the reference in the error path in case we hold
one.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Oded Gabbay <Oded.Gabbay@amd.com>

parent 61feb438

drivers/iommu/amd_iommu_v2.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -607,6 +607,10 @@ static int ppr_notifier(struct notifier_block nb, unsigned long e, void data)
		ret = NOTIFY_OK;

		out_drop_state:

		if (ret != NOTIFY_OK && pasid_state)
		put_pasid_state(pasid_state);

		put_device_state(dev_state);

		out: