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-rw-r--r--target-s390x/helper.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/target-s390x/helper.c b/target-s390x/helper.c
index 3180b90ed8..95f1ff5443 100644
--- a/target-s390x/helper.c
+++ b/target-s390x/helper.c
@@ -617,7 +617,7 @@ static void do_ext_interrupt(CPUS390XState *env)
static void do_io_interrupt(CPUS390XState *env)
{
- uint64_t mask, addr;
+ uint64_t mask = 0, addr = 0;
LowCore *lowcore;
IOIntQueue *q;
uint8_t isc;