linux-kernel - [PATCH v11 1/2] x86/module: remove unused code in __apply_relocate

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Message-ID: <20230125185401.279042-1-song@kernel.org>
Date:   Wed, 25 Jan 2023 10:54:00 -0800
From:   Song Liu <song@...nel.org>
To:     <linux-kernel@...r.kernel.org>, <linux-modules@...r.kernel.org>,
        <live-patching@...r.kernel.org>
CC:     <x86@...nel.org>, Song Liu <song@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Petr Mladek <pmladek@...e.com>
Subject: [PATCH v11 1/2] x86/module: remove unused code in __apply_relocate_add

This "#if 0" block has been untouched for many years. Remove it to clean
up the code.

Suggested-by: Josh Poimboeuf <jpoimboe@...hat.com>
Signed-off-by: Song Liu <song@...nel.org>
Reviewed-by: Petr Mladek <pmladek@...e.com>
---
 arch/x86/kernel/module.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index 705fb2a41d7d..1dee3ad82da2 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -188,10 +188,6 @@ static int __apply_relocate_add(Elf64_Shdr *sechdrs,
 				goto invalid_relocation;
 			val -= (u64)loc;
 			write(loc, &val, 4);
-#if 0
-			if ((s64)val != *(s32 *)loc)
-				goto overflow;
-#endif
 			break;
 		case R_X86_64_PC64:
 			if (*(u64 *)loc != 0)
-- 
2.30.2