Re: [PATCH v2 03/12] block/blkio: fix compiler false-positive warning
Philippe Mathieu-Daudé <[email protected]> Mon, 27 Jul 2026 09:34:31 +0200
| Newsgroups | org.kernel.vger.linux-cxl,org.nongnu.qemu-devel |
|---|---|
| Message-ID | <[email protected]> |
On 26/7/26 22:44, Marc-André Lureau wrote:
> Under some optimization, gcc produces a false-positive:
> ../block/blkio.c: In function ‘blkio_co_getlength’:
> ../block/blkio.c:943:8: error: ‘ret’ may be used uninitialized [-Werror=maybe-uninitialized]
> 943 | if (ret < 0) {
> | ^
>
> Replace WITH_QEMU_LOCK_GUARD with the simpler QEMU_LOCK_GUARD.
>
> Suggested-by: Akihiko Odaki <[email protected]>
> Signed-off-by: Marc-André Lureau <[email protected]>
> ---
> block/blkio.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>