Patch "iommu/amd: Missing error code in amd_iommu_init_device()" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

iommu/amd: Missing error code in amd_iommu_init_device()

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
iommu-amd-missing-error-code-in-amd_iommu_init_device.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Dan Carpenter <[email protected]>
Date: Thu, 24 Nov 2016 14:05:44 +0300
Subject: iommu/amd: Missing error code in amd_iommu_init_device()

From: Dan Carpenter <[email protected]>

commit 24c790fbf5d8f54c8c82979db11edea8855b74bf upstream.

We should set "ret" to -EINVAL if iommu_group_get() fails.

---
 drivers/iommu/amd_iommu_v2.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

@@ -809,8 +809,10 @@ int amd_iommu_init_device(struct pci_dev
 		goto out_free_domain;
 
 	group = iommu_group_get(&pdev->dev);
-	if (!group)
+	if (!group) {
+		ret = -EINVAL;
 		goto out_free_domain;
+	}
 
 	ret = iommu_attach_group(dev_state->domain, group);
 	if (ret != 0)

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/mmc-mmc_test-uninitialized-return-value.patch queue-4.4/target-iscsi-fix-double-free-in-lio_target_tiqn_addtpg.patch queue-4.4/s390-crypto-unlock-on-error-in-prng_tdes_read.patch queue-4.4/usb-xhci-mem-use-passed-in-gfp-flags-instead-of-gfp_kernel.patch queue-4.4/iommu-amd-missing-error-code-in-amd_iommu_init_device.patch