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modpost: pass struct elf_info pointer to get_modinfo() 

get_(next_)modinfo takes a pointer and length pair of the .modinfo
section.  Instead, pass struct elf_info pointer to reduce the number
of function arguments.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2018-05-09 18:50:37 +09:00
parent a6b04f0ed5
commit bca2ccee4c
1 changed files with 12 additions and 13 deletions
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25
scripts/mod/modpost.c
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@ -724,16 +724,17 @@ static char *next_string(char *string, unsigned long *secsize)
return string;
}
static char *get_next_modinfo(void *modinfo, unsigned long modinfo_len,
const char *tag, char *info)
static char *get_next_modinfo(struct elf_info *info, const char *tag,
char *prev)
{
char *p;
unsigned int taglen = strlen(tag);
unsigned long size = modinfo_len;
char *modinfo = info->modinfo;
unsigned long size = info->modinfo_len;
if (info) {
size -= info - (char *)modinfo;
modinfo = next_string(info, &size);
if (prev) {
size -= prev - modinfo;
modinfo = next_string(prev, &size);
}
for (p = modinfo; p; p = next_string(p, &size)) {
@ -743,11 +744,10 @@ static char *get_next_modinfo(void *modinfo, unsigned long modinfo_len,
return NULL;
}
static char *get_modinfo(void *modinfo, unsigned long modinfo_len,
const char *tag)
static char *get_modinfo(struct elf_info *info, const char *tag)
{
return get_next_modinfo(modinfo, modinfo_len, tag, NULL);
return get_next_modinfo(info, tag, NULL);
}
/**
@ -1951,7 +1951,7 @@ static void read_symbols(char *modname)
mod->skip = 1;
}
license = get_modinfo(info.modinfo, info.modinfo_len, "license");
license = get_modinfo(&info, "license");
if (!license && !is_vmlinux(modname))
warn("modpost: missing MODULE_LICENSE() in %s\n"
"see include/linux/module.h for "
@ -1963,8 +1963,7 @@ static void read_symbols(char *modname)
mod->gpl_compatible = 0;
break;
}
license = get_next_modinfo(info.modinfo, info.modinfo_len,
"license", license);
license = get_next_modinfo(&info, "license", license);
}
for (sym = info.symtab_start; sym < info.symtab_stop; sym++) {
@ -1977,7 +1976,7 @@ static void read_symbols(char *modname)
(is_vmlinux(modname) && vmlinux_section_warnings))
check_sec_ref(mod, modname, &info);
version = get_modinfo(info.modinfo, info.modinfo_len, "version");
version = get_modinfo(&info, "version");
if (version)
maybe_frob_rcs_version(modname, version, info.modinfo,
version - (char *)info.hdr);