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-rw-r--r--target-s390x/helper.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/target-s390x/helper.c b/target-s390x/helper.c
index 09aec7b42e..96a4f22734 100644
--- a/target-s390x/helper.c
+++ b/target-s390x/helper.c
@@ -648,7 +648,7 @@ static void do_ext_interrupt(CPUS390XState *env)
cpu_abort(CPU(cpu), "Ext int w/o ext mask\n");
}
- if (env->ext_index < 0 || env->ext_index > MAX_EXT_QUEUE) {
+ if (env->ext_index < 0 || env->ext_index >= MAX_EXT_QUEUE) {
cpu_abort(CPU(cpu), "Ext queue overrun: %d\n", env->ext_index);
}
@@ -696,7 +696,7 @@ static void do_io_interrupt(CPUS390XState *env)
if (env->io_index[isc] < 0) {
continue;
}
- if (env->io_index[isc] > MAX_IO_QUEUE) {
+ if (env->io_index[isc] >= MAX_IO_QUEUE) {
cpu_abort(CPU(cpu), "I/O queue overrun for isc %d: %d\n",
isc, env->io_index[isc]);
}
@@ -754,7 +754,7 @@ static void do_mchk_interrupt(CPUS390XState *env)
cpu_abort(CPU(cpu), "Machine check w/o mchk mask\n");
}
- if (env->mchk_index < 0 || env->mchk_index > MAX_MCHK_QUEUE) {
+ if (env->mchk_index < 0 || env->mchk_index >= MAX_MCHK_QUEUE) {
cpu_abort(CPU(cpu), "Mchk queue overrun: %d\n", env->mchk_index);
}