misc: zynq-xadc: Fix off-by-one
This bounds check was off-by-one. Fix. Reported-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com> Message-id: 1453101737-11255-1-git-send-email-crosthwaite.peter@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -220,7 +220,7 @@ static void zynq_xadc_write(void *opaque, hwaddr offset, uint64_t val,
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break;
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}
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if (xadc_reg > ZYNQ_XADC_NUM_ADC_REGS && xadc_cmd != CMD_NOP) {
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if (xadc_reg >= ZYNQ_XADC_NUM_ADC_REGS && xadc_cmd != CMD_NOP) {
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qemu_log_mask(LOG_GUEST_ERROR, "read/write op to invalid xadc "
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"reg 0x%x\n", xadc_reg);
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break;
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