diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2021-03-03 07:43:57 +0100 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-03-06 11:34:07 +0100 |
| commit | 70c9d959226b7c5c48c119e2c1cfc1424f87b023 (patch) | |
| tree | c6b793c30cefdd0fb088ebf43a07e9c845666c61 | |
| parent | a38fd8748464831584a19438cbb3082b5a2dab15 (diff) | |
| download | linux-70c9d959226b7c5c48c119e2c1cfc1424f87b023.tar.bz2 | |
x86/vdso: Use proper modifier for len's format specifier in extract()
Commit
8382c668ce4f ("x86/vdso: Add support for exception fixup in vDSO functions")
prints length "len" which is size_t.
Compilers now complain when building on a 32-bit host:
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'}
So use proper modifier (%zu) for size_t.
[ bp: Massage commit message. ]
Fixes: 8382c668ce4f ("x86/vdso: Add support for exception fixup in vDSO functions")
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lkml.kernel.org/r/20210303064357.17056-1-jslaby@suse.cz
| -rw-r--r-- | arch/x86/entry/vdso/vdso2c.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/entry/vdso/vdso2c.h b/arch/x86/entry/vdso/vdso2c.h index 1c7cfac7e64a..5264daa8859f 100644 --- a/arch/x86/entry/vdso/vdso2c.h +++ b/arch/x86/entry/vdso/vdso2c.h @@ -35,7 +35,7 @@ static void BITSFUNC(extract)(const unsigned char *data, size_t data_len, 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"); } |