linux-kernel - [PATCH v2 1/3] x86/crash: remove the unused image parameter from prepare_elf

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Date: Tue,  2 Jan 2024 22:49:03 +0800
From: Yuntao Wang <ytcoode@...il.com>
To: linux-kernel@...r.kernel.org,
	kexec@...ts.infradead.org,
	x86@...nel.org
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	Baoquan He <bhe@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Dave Young <dyoung@...hat.com>,
	Hari Bathini <hbathini@...ux.ibm.com>,
	Sourabh Jain <sourabhjain@...ux.ibm.com>,
	Takashi Iwai <tiwai@...e.de>,
	Yuntao Wang <ytcoode@...il.com>
Subject: [PATCH v2 1/3] x86/crash: remove the unused image parameter from prepare_elf_headers()

The image parameter is no longer in use, remove it. Also, tidy up the code
formatting.

Signed-off-by: Yuntao Wang <ytcoode@...il.com>
Acked-by: Baoquan He <bhe@...hat.com>
---
 arch/x86/kernel/crash.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index c92d88680dbf..792231a56d11 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -198,8 +198,8 @@ static int prepare_elf64_ram_headers_callback(struct resource *res, void *arg)
 }
 
 /* Prepare elf headers. Return addr and size */
-static int prepare_elf_headers(struct kimage *image, void **addr,
-					unsigned long *sz, unsigned long *nr_mem_ranges)
+static int prepare_elf_headers(void **addr, unsigned long *sz,
+			       unsigned long *nr_mem_ranges)
 {
 	struct crash_mem *cmem;
 	int ret;
@@ -221,7 +221,7 @@ static int prepare_elf_headers(struct kimage *image, void **addr,
 	*nr_mem_ranges = cmem->nr_ranges;
 
 	/* By default prepare 64bit headers */
-	ret =  crash_prepare_elf64_headers(cmem, IS_ENABLED(CONFIG_X86_64), addr, sz);
+	ret = crash_prepare_elf64_headers(cmem, IS_ENABLED(CONFIG_X86_64), addr, sz);
 
 out:
 	vfree(cmem);
@@ -349,7 +349,7 @@ int crash_load_segments(struct kimage *image)
 				  .buf_max = ULONG_MAX, .top_down = false };
 
 	/* Prepare elf headers and add a segment */
-	ret = prepare_elf_headers(image, &kbuf.buffer, &kbuf.bufsz, &pnum);
+	ret = prepare_elf_headers(&kbuf.buffer, &kbuf.bufsz, &pnum);
 	if (ret)
 		return ret;
 
@@ -452,7 +452,7 @@ void arch_crash_handle_hotplug_event(struct kimage *image)
 	 * Create the new elfcorehdr reflecting the changes to CPU and/or
 	 * memory resources.
 	 */
-	if (prepare_elf_headers(image, &elfbuf, &elfsz, &nr_mem_ranges)) {
+	if (prepare_elf_headers(&elfbuf, &elfsz, &nr_mem_ranges)) {
 		pr_err("unable to create new elfcorehdr");
 		goto out;
 	}
-- 
2.43.0