Messages in this thread | | | Subject | Re: [PATCH] arch: x86: entry: vdso: fix type conversion on printf() call | From | Randy Dunlap <> | Date | Tue, 15 Dec 2020 08:42:13 -0800 |
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On 12/15/20 8:39 AM, Andy Lutomirski wrote: > On Tue, Dec 15, 2020 at 8:32 AM Randy Dunlap <rdunlap@infradead.org> wrote: >> >> On 12/15/20 8:03 AM, Enrico Weigelt, metux IT consult wrote: >>> Fixing the following compiler warning by explicit conversion to long: >>> >>> In file included from /home/nekrad/src/apu2-dev/pkg/kernel.apu2.git/arch/x86/entry/vdso/vdso2c.c:162:0: >>> /home/nekrad/src/apu2-dev/pkg/kernel.apu2.git/arch/x86/entry/vdso/vdso2c.h: In function 'extract64': >>> /home/nekrad/src/apu2-dev/pkg/kernel.apu2.git/arch/x86/entry/vdso/vdso2c.h:38:52: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t {aka unsigned int}' [-Wformat=] >>> fprintf(outfile, "static const unsigned char %s[%lu] = {", name, len); >>> ^ >>> CC mm/filemap.o >>> In file included from /home/nekrad/src/apu2-dev/pkg/kernel.apu2.git/arch/x86/entry/vdso/vdso2c.c:166:0: >>> /home/nekrad/src/apu2-dev/pkg/kernel.apu2.git/arch/x86/entry/vdso/vdso2c.h: In function 'extract32': >>> /home/nekrad/src/apu2-dev/pkg/kernel.apu2.git/arch/x86/entry/vdso/vdso2c.h:38:52: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t {aka unsigned int}' [-Wformat=] >>> fprintf(outfile, "static const unsigned char %s[%lu] = {", name, len); >>> >>> Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net> >>> --- >>> arch/x86/entry/vdso/vdso2c.h | 3 ++- >>> 1 file changed, 2 insertions(+), 1 deletion(-) >> >> Hi, >> >> size_t is normally printed with %zu. >> Is there some reason that isn't being used here? > > No. Want to send a patch? >
I was hoping that Enrico would fix this and maybe address your other comment, although I'm not so sure that I agree with it.
-- ~Randy
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