tree 93f6f81ef917245073ffdbc89123dd74cd8ccdd4
parent 517bf8fc211d37d3aa005fb35f9ee7f1d35cb860
author Gleb Natapov <gleb@redhat.com> 1380646716 +0300
committer Gleb Natapov <gleb@redhat.com> 1380784132 +0300

Fix NULL dereference in gfn_to_hva_prot()

gfn_to_memslot() can return NULL or invalid slot. We need to check slot
validity before accessing it.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>