linux-kernel - [PATCH] kexec: Remove redundant assignments

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Message-Id: <20220326180948.192154-1-michalorzel.eng@gmail.com>
Date:   Sat, 26 Mar 2022 19:09:47 +0100
From:   Michal Orzel <michalorzel.eng@...il.com>
To:     Eric Biederman <ebiederm@...ssion.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Michal Orzel <michalorzel.eng@...il.com>,
        kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev
Subject: [PATCH] kexec: Remove redundant assignments

Get rid of redundant assignments which end up in values not being
read either because they are overwritten or the function ends.

Reported by clang-tidy [deadcode.DeadStores]

Signed-off-by: Michal Orzel <michalorzel.eng@...il.com>
---
 kernel/kexec_core.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 68480f731192..d08904a27362 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -768,7 +768,6 @@ static struct page *kimage_alloc_page(struct kimage *image,
 				kimage_free_pages(old_page);
 				continue;
 			}
-			addr = old_addr;
 			page = old_page;
 			break;
 		}
@@ -788,7 +787,6 @@ static int kimage_load_normal_segment(struct kimage *image,
 	unsigned char __user *buf = NULL;
 	unsigned char *kbuf = NULL;
 
-	result = 0;
 	if (image->file_mode)
 		kbuf = segment->kbuf;
 	else
-- 
2.25.1