On 17/01/21 18:04, Philippe Mathieu-Daudé wrote:
When building with GCC 10.2 configured with --extra-cflags=-Os, we get:softmmu/physmem.c: In function ‘address_space_translate_for_iotlb’: softmmu/physmem.c:643:26: error: ‘notifier’ may be used uninitialized in this function [-Werror=maybe-uninitialized] 643 | notifier->active = true; | ^ softmmu/physmem.c:608:23: note: ‘notifier’ was declared here 608 | TCGIOMMUNotifier *notifier; | ^~~~~~~~ Initialize 'notifier' to silence the warning. Signed-off-by: Philippe Mathieu-Daudé <[email protected]> --- v2: Remove pointless assert (Peter Maydell) Yet another hole in our CI. Supersedes: <[email protected]> --- softmmu/physmem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/softmmu/physmem.c b/softmmu/physmem.c index 6301f4f0a5c..cdcd197656f 100644 --- a/softmmu/physmem.c +++ b/softmmu/physmem.c @@ -605,7 +605,7 @@ static void tcg_register_iommu_notifier(CPUState *cpu, * when the IOMMU tells us the mappings we've cached have changed. */ MemoryRegion *mr = MEMORY_REGION(iommu_mr); - TCGIOMMUNotifier *notifier; + TCGIOMMUNotifier *notifier = NULL; int i;for (i = 0; i < cpu->iommu_notifiers->len; i++) {
Queued, thanks. Paolo
