Re: Lots of new warnings with gcc-7.1.1

2017-07-15 Thread Tejun Heo
Hello, On Wed, Jul 12, 2017 at 03:31:02PM +0200, Arnd Bergmann wrote: > > We also have about a bazillion > > > > warning: ‘*’ in boolean context, suggest ‘&&’ instead > > > > warnings in drivers/ata/libata-core.c, all due to a single macro that > > uses a pattern that gcc-7.1.1 doesn't like. T

Re: Lots of new warnings with gcc-7.1.1

2017-07-12 Thread Arnd Bergmann
On Wed, Jul 12, 2017 at 3:10 PM, Greg Kroah-Hartman wrote: > On Tue, Jul 11, 2017 at 03:35:15PM -0700, Linus Torvalds wrote: >> [ Very random list of maintainers and mailing lists, at least >> partially by number of warnings generated by gcc-7.1.1 that is then >> correlated with the get_maintainer

Re: Lots of new warnings with gcc-7.1.1

2017-07-12 Thread Arnd Bergmann
On Wed, Jul 12, 2017 at 5:41 AM, Linus Torvalds wrote: > > We also have about a bazillion > > warning: ‘*’ in boolean context, suggest ‘&&’ instead > > warnings in drivers/ata/libata-core.c, all due to a single macro that > uses a pattern that gcc-7.1.1 doesn't like. The warning looks a bit >

Re: Lots of new warnings with gcc-7.1.1

2017-07-12 Thread Greg Kroah-Hartman
On Tue, Jul 11, 2017 at 03:35:15PM -0700, Linus Torvalds wrote: > [ Very random list of maintainers and mailing lists, at least > partially by number of warnings generated by gcc-7.1.1 that is then > correlated with the get_maintainers script ] > > So I upgraded one of my boxes to F26, which upgra

Re: Lots of new warnings with gcc-7.1.1

2017-07-12 Thread Mauro Carvalho Chehab
Em Tue, 11 Jul 2017 15:35:15 -0700 Linus Torvalds escreveu: > [ Very random list of maintainers and mailing lists, at least > partially by number of warnings generated by gcc-7.1.1 that is then > correlated with the get_maintainers script ] Under drivers/media, I fixed a bunch of gcc 7.1 warning

Re: Lots of new warnings with gcc-7.1.1

2017-07-11 Thread Jakub Kicinski
On Tue, 11 Jul 2017 15:35:15 -0700, Linus Torvalds wrote: > I do suspect I'll make "-Wformat-truncation" (as opposed to > "-Wformat-overflow") be a "V=1" kind of warning. But let's see how > many of these we can fix, ok? Somehow related - what's the stand on -Wimplicit-fallthrough? I run into th

Re: Lots of new warnings with gcc-7.1.1

2017-07-11 Thread Linus Torvalds
On Tue, Jul 11, 2017 at 8:17 PM, Linus Torvalds wrote: > > If that's the case, I'd prefer just turning off the format-truncation > (but not overflow) warning with '-Wno-format-trunction". Doing KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation) in the main Makefile certainly cuts

Re: Lots of new warnings with gcc-7.1.1

2017-07-11 Thread Linus Torvalds
On Tue, Jul 11, 2017 at 8:10 PM, Guenter Roeck wrote: > > The hwmon warnings are all about supporting no more than 9,999 sensors > (applesmc) to 999,999,999 sensors (scpi) of a given type. Yeah, I think that's enough. > Easy "fix" would be to replace snprintf() with scnprintf(), presumably > bec

Re: Lots of new warnings with gcc-7.1.1

2017-07-11 Thread Guenter Roeck
On 07/11/2017 03:35 PM, Linus Torvalds wrote: [ Very random list of maintainers and mailing lists, at least partially by number of warnings generated by gcc-7.1.1 that is then correlated with the get_maintainers script ] So I upgraded one of my boxes to F26, which upgraded the compiler to gcc-7.

Re: Lots of new warnings with gcc-7.1.1

2017-07-11 Thread Marcel Holtmann
Hi Linus, > At the same time, others aren't quite as insane, and in many cases the > warnings might be easy to just fix. > > And some actually look valid, although they might still require odd input: > > net/bluetooth/smp.c: In function ‘le_max_key_size_read’: > net/bluetooth/smp.c:3372:29: wa

Lots of new warnings with gcc-7.1.1

2017-07-11 Thread Linus Torvalds
[ Very random list of maintainers and mailing lists, at least partially by number of warnings generated by gcc-7.1.1 that is then correlated with the get_maintainers script ] So I upgraded one of my boxes to F26, which upgraded the compiler to gcc-7.1.1 Which in turn means that my nice clean allm