VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

More than 9999 Commits   33 Branches   57 Tags
author: Dan Carpenter <dan.carpenter@oracle.com> 2020-07-10 14:36:10 +0300 committer: Boris Ostrovsky <boris.ostrovsky@oracle.com> 2020-07-10 07:20:43 -0500 commit: ba8c423488974f02b538e9dc1730f0334f9b85aa parent: 578c1bb9056263ad3c9e09746b3d6e4daf63bdb0
Commit Summary:
xen/xenbus: Fix a double free in xenbus_map_ring_pv()
Diffstat:
1 file changed, 1 insertion, 3 deletions
diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c
index 4f168b46fbca..786fbb7d8be0 100644
--- a/drivers/xen/xenbus/xenbus_client.c
+++ b/drivers/xen/xenbus/xenbus_client.c
@@ -693,10 +693,8 @@ static int xenbus_map_ring_pv(struct xenbus_device *dev,
 	bool leaked;
 
 	area = alloc_vm_area(XEN_PAGE_SIZE * nr_grefs, info->ptes);
-	if (!area) {
-		kfree(node);
+	if (!area)
 		return -ENOMEM;
-	}
 
 	for (i = 0; i < nr_grefs; i++)
 		info->phys_addrs[i] =