There is no need to test for the device pointer validity when releasing
a KVM device. The file descriptor should identify it safely.
Fixes: 2bde9b3ec8bd ("KVM: Introduce a 'release' method for KVM devices")
Signed-off-by: Cédric Le Goater <clg@xxxxxxxx>
Reviewed-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
---
Changes since v1:
- better commit log title.
virt/kvm/kvm_main.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 161830ec0aa5..ac15b8fd8399 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2939,12 +2939,6 @@ static int kvm_device_release(struct inode *inode, struct file *filp)
struct kvm_device *dev = filp->private_data;
struct kvm *kvm = dev->kvm;
- if (!dev)
- return -ENODEV;
-
- if (dev->kvm != kvm)
- return -EPERM;
-
if (dev->ops->release) {
mutex_lock(&kvm->lock);
list_del(&dev->vm_node);
--
2.20.1
