Messages in this thread Patch in this message | | | From | Randy Dunlap <> | Subject | [PATCH] x86: vdso: fix printf() format warnings in vdso2c.h | Date | Mon, 8 Feb 2021 17:23:05 -0800 |
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Use %zu instead of %lu for size_t to prevent w printf() format warnings in vdso2c.h
HOSTCC arch/x86/entry/vdso/vdso2c In file included from ../arch/x86/entry/vdso/vdso2c.c:162: ../arch/x86/entry/vdso/vdso2c.h: In function 'extract64': ../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=] 38 | fprintf(outfile, "static const unsigned char %s[%lu] = {", name, len); | ~~^ ~~~ In file included from ../arch/x86/entry/vdso/vdso2c.c:166: ../arch/x86/entry/vdso/vdso2c.h: In function 'extract32': ../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=] 38 | fprintf(outfile, "static const unsigned char %s[%lu] = {", name, len); | ~~^ ~~~
Fixes: 8382c668ce4f ("x86/vdso: Add support for exception fixup in vDSO functions") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Sean Christopherson <seanjc@google.com> Cc: Jarkko Sakkinen <jarkko@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: x86@kernel.org --- arch/x86/entry/vdso/vdso2c.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- lnx-511-rc7.orig/arch/x86/entry/vdso/vdso2c.h +++ lnx-511-rc7/arch/x86/entry/vdso/vdso2c.h @@ -35,7 +35,7 @@ static void BITSFUNC(extract)(const unsi if (offset + len > data_len) fail("section to extract overruns input data"); - fprintf(outfile, "static const unsigned char %s[%lu] = {", name, len); + fprintf(outfile, "static const unsigned char %s[%zu] = {", name, len); BITSFUNC(copy)(outfile, data + offset, len); fprintf(outfile, "\n};\n\n"); }
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