[PATCH v2 3/3] module: merge check_exported_symbol() into find_exported_symbol_in_section()

From: Masahiro Yamada
Date: Wed May 04 2022 - 23:53:42 EST


Now check_exported_symbol() always succeeds.

Merge it into find_exported_symbol_in_search() to make the code concise.

Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
---

kernel/module/main.c | 22 +++++++---------------
1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/kernel/module/main.c b/kernel/module/main.c
index 22a860d42c16..14686571d4fc 100644
--- a/kernel/module/main.c
+++ b/kernel/module/main.c
@@ -243,17 +243,6 @@ static __maybe_unused void *any_section_objs(const struct load_info *info,
#define symversion(base, idx) ((base != NULL) ? ((base) + (idx)) : NULL)
#endif

-static bool check_exported_symbol(const struct symsearch *syms,
- struct module *owner, unsigned int symnum,
- struct find_symbol_arg *fsa)
-{
- fsa->owner = owner;
- fsa->crc = symversion(syms->crcs, symnum);
- fsa->sym = &syms->start[symnum];
- fsa->license = syms->license;
- return true;
-}
-
static const char *kernel_symbol_name(const struct kernel_symbol *sym)
{
#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
@@ -290,12 +279,15 @@ static bool find_exported_symbol_in_section(const struct symsearch *syms,

sym = bsearch(fsa->name, syms->start, syms->stop - syms->start,
sizeof(struct kernel_symbol), cmp_name);
+ if (!sym)
+ return false;

- if (sym != NULL && check_exported_symbol(syms, owner,
- sym - syms->start, fsa))
- return true;
+ fsa->owner = owner;
+ fsa->crc = symversion(syms->crcs, sym - syms->start);
+ fsa->sym = sym;
+ fsa->license = syms->license;

- return false;
+ return true;
}

/*
--
2.32.0