As best I can tell, this is a false positive. [aliguori@ccnode4 qemu-s390]$ make CC s390x-softmmu/target-s390x/helper.o /home/aliguori/git/qemu/target-s390x/helper.c: In function ‘do_interrupt’: /home/aliguori/git/qemu/target-s390x/helper.c:673:17: error: ‘addr’ may be used uninitialized in this function [-Werror=maybe-uninitialized] /home/aliguori/git/qemu/target-s390x/helper.c:620:20: note: ‘addr’ was declared here /home/aliguori/git/qemu/target-s390x/helper.c:673:17: error: ‘mask’ may be used uninitialized in this function [-Werror=maybe-uninitialized] /home/aliguori/git/qemu/target-s390x/helper.c:620:14: note: ‘mask’ was declared here cc1: all warnings being treated as errors make[1]: *** [target-s390x/helper.o] Error 1 make: *** [subdir-s390x-softmmu] Error 2
Cc: Cornelia Huck <cornelia.h...@de.ibm.com> Cc: Stefan Weil <s...@weilnetz.de> Signed-off-by: Anthony Liguori <aligu...@us.ibm.com> --- target-s390x/helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target-s390x/helper.c b/target-s390x/helper.c index 8bd84ef..043feb2 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; -- 1.8.0