linux-kernel - [PATCH V5 01/11] riscv: elf_kexec: Fixup compile warning

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Message-Id: <20220918155246.1203293-2-guoren@kernel.org>
Date:   Sun, 18 Sep 2022 11:52:36 -0400
From:   guoren@...nel.org
To:     arnd@...db.de, guoren@...nel.org, palmer@...osinc.com,
        tglx@...utronix.de, peterz@...radead.org, luto@...nel.org,
        conor.dooley@...rochip.com, heiko@...ech.de, jszhang@...nel.org,
        lazyparser@...il.com, falcon@...ylab.org, chenhuacai@...nel.org,
        apatel@...tanamicro.com, atishp@...shpatra.org, palmer@...belt.com,
        paul.walmsley@...ive.com, mark.rutland@....com,
        zouyipeng@...wei.com, bigeasy@...utronix.de,
        David.Laight@...lab.com
Cc:     linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Guo Ren <guoren@...ux.alibaba.com>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH V5 01/11] riscv: elf_kexec: Fixup compile warning

From: Guo Ren <guoren@...ux.alibaba.com>

If CRYTPO or CRYPTO_SHA256 or KEXE_FILE is not enabled, then:

COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1
O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/

../arch/riscv/kernel/elf_kexec.c: In function 'elf_kexec_load':
../arch/riscv/kernel/elf_kexec.c:185:23: warning: variable
'kernel_start' set but not used [-Wunused-but-set-variable]
  185 |         unsigned long kernel_start;
      |                       ^~~~~~~~~~~~

Fixes: 838b3e28488f ("RISC-V: Load purgatory in kexec_file")
Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
Signed-off-by: Guo Ren <guoren@...nel.org>
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
Reported-by: kernel test robot <lkp@...el.com>
---
 arch/riscv/kernel/elf_kexec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/elf_kexec.c b/arch/riscv/kernel/elf_kexec.c
index 0cb94992c15b..4b9264340b78 100644
--- a/arch/riscv/kernel/elf_kexec.c
+++ b/arch/riscv/kernel/elf_kexec.c
@@ -198,7 +198,7 @@ static void *elf_kexec_load(struct kimage *image, char *kernel_buf,
 	if (ret)
 		goto out;
 	kernel_start = image->start;
-	pr_notice("The entry point of kernel at 0x%lx\n", image->start);
+	pr_notice("The entry point of kernel at 0x%lx\n", kernel_start);
 
 	/* Add the kernel binary to the image */
 	ret = riscv_kexec_elf_load(image, &ehdr, &elf_info,
-- 
2.36.1