From: Alex Williamson <alex.williamson@redhat.com>
Date: Wed, 8 Apr 2015 14:11:51 +0000 (-0600)
Subject: vfio-pci: Fix use after free
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5a0ff17741c1785b27229a16b5ab77470d71b170;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

vfio-pci: Fix use after free

Reported by 0-day test infrastructure.

Fixes: ecaa1f6a0154 ("vfio-pci: Add VGA arbiter client")
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---

diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 049b9e9e0a41..69fab0fd15ae 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -953,6 +953,7 @@ static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (ret) {
 		iommu_group_put(group);
 		kfree(vdev);
+		return ret;
 	}
 
 	if (vfio_pci_is_vga(pdev)) {