Messages in this thread |  | | Subject | Re: linux-next: build warning after merge of the device-mapper tree | From | yangerkun <> | Date | Thu, 9 Jul 2020 12:38:30 +0800 |
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在 2020/7/9 11:26, Stephen Rothwell 写道: > Hi all, > > After merging the device-mapper tree, today's linux-next build (x86_64 > allmodconfig) produced this warning: > > In file included from drivers/md/dm-dust.c:11: > drivers/md/dm-dust.c: In function 'dust_list_badblocks': > drivers/md/dm-dust.c:307:10: warning: zero-length gnu_printf format string [-Wformat-zero-length] > 307 | DMEMIT(""); Mike and Bryan,
Should we just use "DMEMIT("\n")"? Maybe it's bad since this lead a blank line...
> | ^~ > include/linux/device-mapper.h:555:46: note: in definition of macro 'DMEMIT' > 555 | 0 : scnprintf(result + sz, maxlen - sz, x)) > | ^ > > Introduced by commit > > 20f93ea74f9c ("dm dust: add interface to list all badblocks") >
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