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From: Masahiro Yamada <masahiroy@kernel.org>
To: Luis Chamberlain <mcgrof@kernel.org>,
	linux-modules@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Masahiro Yamada <masahiroy@kernel.org>
Subject: [PATCH v2 3/3] module: merge check_exported_symbol() into find_exported_symbol_in_section()
Date: Thu,  5 May 2022 12:52:12 +0900	[thread overview]
Message-ID: <20220505035212.1130858-4-masahiroy@kernel.org> (raw)
In-Reply-To: <20220505035212.1130858-1-masahiroy@kernel.org>

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@kernel.org>
---

 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


  parent reply	other threads:[~2022-05-05  3:53 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-05  3:52 [PATCH v2 0/3] module: trivial cleanups for symbol search Masahiro Yamada
2022-05-05  3:52 ` [PATCH v2 1/3] module: do not pass opaque pointer " Masahiro Yamada
2022-05-05  3:52 ` [PATCH v2 2/3] module: do not binary-search in __ksymtab_gpl if fsa->gplok is false Masahiro Yamada
2022-05-05  3:52 ` Masahiro Yamada [this message]
2022-05-05  6:07 ` [PATCH v2 0/3] module: trivial cleanups for symbol search Luis Chamberlain

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