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KVM: release anon file in failure path of vm creation

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The failure of create debugfs of VM will return directly without release
the anon file. It will leak memory and file descriptors, even through
be not serious.

Signed-off-by: Liu Shuo <shuo.a.liu@intel.com>
Fixes: 536a6f88c4
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Liu Shuo 2016-07-12 17:38:42 +08:00 • committed by Paolo Bonzini
parent 2f1fe81123
commit 2be5b3f6dc
1 changed files with 2 additions and 0 deletions
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2
virt/kvm/kvm_main.c
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@ -49,6 +49,7 @@
#include <linux/slab.h>
#include <linux/sort.h>
#include <linux/bsearch.h>
#include <linux/syscalls.h>
#include <asm/processor.h>
#include <asm/io.h>
@ -3069,6 +3070,7 @@ static int kvm_dev_ioctl_create_vm(unsigned long type)
if (kvm_create_vm_debugfs(kvm, r) < 0) {
kvm_put_kvm(kvm);
sys_close(r);
return -ENOMEM;
}