target-ppc: fix left shift overflow in hpte_page_shift
ps->pte_enc is a 32-bit value, which is shifted left and then compared to a 64-bit value. It needs a cast before the shift. Reported by Coverity. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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@ -478,7 +478,7 @@ static unsigned hpte_page_shift(const struct ppc_one_seg_page_size *sps,
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mask = ((1ULL << ps->page_shift) - 1) & HPTE64_R_RPN;
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if ((pte1 & mask) == (ps->pte_enc << HPTE64_R_RPN_SHIFT)) {
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if ((pte1 & mask) == ((uint64_t)ps->pte_enc << HPTE64_R_RPN_SHIFT)) {
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return ps->page_shift;
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}
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}
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