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misc: zynq-xadc: Fix off-by-one

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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>
This commit is contained in:
Peter Crosthwaite 2016-01-21 14:15:04 +00:00 committed by Peter Maydell
parent a4b26335c8
commit 4a94fc9bf2
1 changed files with 1 additions and 1 deletions
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2
hw/misc/zynq-xadc.c
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@ -220,7 +220,7 @@ static void zynq_xadc_write(void *opaque, hwaddr offset, uint64_t val,
break;
}
if (xadc_reg > ZYNQ_XADC_NUM_ADC_REGS && xadc_cmd != CMD_NOP) {
if (xadc_reg >= ZYNQ_XADC_NUM_ADC_REGS && xadc_cmd != CMD_NOP) {
qemu_log_mask(LOG_GUEST_ERROR, "read/write op to invalid xadc "
"reg 0x%x\n", xadc_reg);
break;