Re: [Qemu-devel] [PATCH v9 19/37] qmp: Fix reference-counting of qnull on empty output visit

Markus Armbruster writes: > Eric Blake writes: > >> Commit 6c2f9a15 ensured that we would not return NULL when the >> caller used an output visitor but had nothing to visit. But >> in doing so, it added a FIXME about a reference count leak >> that could

Re: [Qemu-devel] [PATCH v9 19/37] qmp: Fix reference-counting of qnull on empty output visit

Eric Blake writes: > Commit 6c2f9a15 ensured that we would not return NULL when the > caller used an output visitor but had nothing to visit. But > in doing so, it added a FIXME about a reference count leak > that could abort qemu in the (unlikely) case of SIZE_MAX such >

[Qemu-devel] [PATCH v9 19/37] qmp: Fix reference-counting of qnull on empty output visit

Commit 6c2f9a15 ensured that we would not return NULL when the caller used an output visitor but had nothing to visit. But in doing so, it added a FIXME about a reference count leak that could abort qemu in the (unlikely) case of SIZE_MAX such visits (more plausible on 32-bit). (Although that