linux-kernel - [PATCH] kexec: Delete an unnecessary comparison

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Message-Id: <1597322730-3881-1-git-send-email-tangyouling@loongson.cn>
Date:   Thu, 13 Aug 2020 20:45:30 +0800
From:   Youling Tang <tangyouling@...ngson.cn>
To:     Eric Biederman <ebiederm@...ssion.com>,
        Vivek Goyal <vgoyal@...hat.com>
Cc:     kexec@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] kexec: Delete an unnecessary comparison

Regardless of whether the ret value is zero or non-zero, the trajectory
of the program execution is the same, so there is no need to compare.

Signed-off-by: Youling Tang <tangyouling@...ngson.cn>
---
 kernel/kexec_file.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
index 78c0837..3ad0ae2 100644
--- a/kernel/kexec_file.c
+++ b/kernel/kexec_file.c
@@ -800,8 +800,6 @@ static int kexec_calculate_store_digests(struct kimage *image)
 
 		ret = kexec_purgatory_get_set_symbol(image, "purgatory_sha256_digest",
 						     digest, SHA256_DIGEST_SIZE, 0);
-		if (ret)
-			goto out_free_digest;
 	}
 
 out_free_digest:
-- 
2.1.0