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modpost: mismatch_handler: retrieve tosym information only when needed. 

Signed-off-by: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Quentin Casasnovas 2015-04-13 20:43:45 +09:30 committed by Rusty Russell
parent 356ad53812
commit c7a65e0645
1 changed files with 4 additions and 3 deletions
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7
scripts/mod/modpost.c
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@ -1432,16 +1432,17 @@ static void default_mismatch_handler(const char *modname, struct elf_info *elf,
const char *tosym;
const char *fromsym;
tosec = sec_name(elf, get_secindex(elf, sym));
from = find_elf_symbol2(elf, r->r_offset, fromsec);
fromsym = sym_name(elf, from);
to = find_elf_symbol(elf, r->r_addend, sym);
tosym = sym_name(elf, to);
if (!strncmp(fromsym, "reference___initcall",
sizeof("reference___initcall")-1))
return;
tosec = sec_name(elf, get_secindex(elf, sym));
to = find_elf_symbol(elf, r->r_addend, sym);
tosym = sym_name(elf, to);
/* check whitelist - we may ignore it */
if (secref_whitelist(mismatch,
fromsec, fromsym, tosec, tosym)) {