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authorAl Viro <viro@zeniv.linux.org.uk>2020-02-15 11:29:04 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2020-02-15 17:26:26 -0500
commita4814443993c7c8686036bb8ca0df6abc499d63f (patch)
tree8b2c5c6075c46a4669fc47ed675431f4f49b68f5
parentx86 user stack frame reads: switch to explicit __get_user() (diff)
downloadwireguard-linux-a4814443993c7c8686036bb8ca0df6abc499d63f.tar.xz
wireguard-linux-a4814443993c7c8686036bb8ca0df6abc499d63f.zip
x86 kvm page table walks: switch to explicit __get_user()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--arch/x86/kvm/mmu/paging_tmpl.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h
index 4e1ef0473663..5bea4cfe8a15 100644
--- a/arch/x86/kvm/mmu/paging_tmpl.h
+++ b/arch/x86/kvm/mmu/paging_tmpl.h
@@ -400,7 +400,7 @@ retry_walk:
goto error;
ptep_user = (pt_element_t __user *)((void *)host_addr + offset);
- if (unlikely(__copy_from_user(&pte, ptep_user, sizeof(pte))))
+ if (unlikely(__get_user(pte, ptep_user)))
goto error;
walker->ptep_user[walker->level - 1] = ptep_user;