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module: refactor out section header rewriting: FIX modversions 

We can't do the find_sec after removing the SHF_ALLOC flags; it won't
find the sections.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
hifive-unleashed-5.1
Rusty Russell 2010-08-05 12:59:07 -06:00
parent 8b5f61a795
commit d6df72a06e
1 changed files with 6 additions and 6 deletions
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12
kernel/module.c
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@ -2225,11 +2225,13 @@ static int rewrite_section_headers(struct load_info *info)
if (strstarts(info->secstrings+shdr->sh_name, ".exit"))
shdr->sh_flags &= ~(unsigned long)SHF_ALLOC;
#endif
/* Don't keep modinfo and version sections. */
if (!strcmp(info->secstrings+shdr->sh_name, "__versions")
|| !strcmp(info->secstrings+shdr->sh_name, ".modinfo"))
shdr->sh_flags &= ~(unsigned long)SHF_ALLOC;
}
/* Track but don't keep modinfo and version sections. */
info->index.vers = find_sec(info->hdr, info->sechdrs, info->secstrings, "__versions");
info->index.info = find_sec(info->hdr, info->sechdrs, info->secstrings, ".modinfo");
info->sechdrs[info->index.info].sh_flags &= ~(unsigned long)SHF_ALLOC;
info->sechdrs[info->index.vers].sh_flags &= ~(unsigned long)SHF_ALLOC;
return 0;
}
@ -2282,8 +2284,6 @@ static struct module *setup_load_info(struct load_info *info)
return ERR_PTR(-ENOEXEC);
}
info->index.vers = find_sec(info->hdr, info->sechdrs, info->secstrings, "__versions");
info->index.info = find_sec(info->hdr, info->sechdrs, info->secstrings, ".modinfo");
info->index.pcpu = find_pcpusec(info->hdr, info->sechdrs, info->secstrings);
/* Check module struct version now, before we try to use module. */