Re: linux-next: build warning after merge of the device-mapper tree

Mike Snitzer
2019-02-20T03:35:44Z

On Tue, Feb 19 2019 at 9:15pm -0500,
Stephen Rothwell <sfr@canb.auug.org.au> wrote:

> Hi all,
>
> After merging the device-mapper tree, today's linux-next build
> (powerpc_ppc64_defconfig) produced this warning:
>
> In file included from include/linux/blkdev.h:21,
> from include/linux/blk-mq.h:5,
> from drivers/md/dm-core.h:14,
> from drivers/md/dm.c:8:
> drivers/md/dm.c: In function 'dec_pending':
> include/linux/bio.h:626:15: warning: 'bio' may be used uninitialized in this function [-Wmaybe-uninitialized]
> bio->bi_next = bl->head;
> ~~~~~~~~~~~~~^~~~~~~~~~
> drivers/md/dm.c:930:14: note: 'bio' was declared here
> struct bio *bio;
> ^~~
>
> Introduced by commit
>
> 58c66b86cfe7 ("dm: improve noclone_endio() to support multipath target")

Thanks, I've fixed it up.

Mike