linux-kernel - [tip:x86/microcode] x86/microcode: Get rid of find_cpio

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Date:	Wed, 8 Jun 2016 02:53:17 -0700
From:	tip-bot for Borislav Petkov <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	bp@...e.de, mingo@...nel.org, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, peterz@...radead.org,
	dvlasenk@...hat.com, luto@...capital.net, tglx@...utronix.de,
	bp@...en8.de, brgerst@...il.com, hpa@...or.com
Subject: [tip:x86/microcode] x86/microcode: Get rid of find_cpio_data()'s
 dummy offset arg

Commit-ID:  852ad5b94524fd76d49944b9db0a93f7c9ee5814
Gitweb:     http://git.kernel.org/tip/852ad5b94524fd76d49944b9db0a93f7c9ee5814
Author:     Borislav Petkov <bp@...e.de>
AuthorDate: Mon, 6 Jun 2016 17:10:45 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 8 Jun 2016 11:04:19 +0200

x86/microcode: Get rid of find_cpio_data()'s dummy offset arg

The microcode loader doesn't use it and now that that arg has been made
optional in find_cpio_data(), get rid of it here.

No functionality change.

Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1465225850-7352-5-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/cpu/microcode/amd.c   | 3 +--
 arch/x86/kernel/cpu/microcode/intel.c | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 11dd1cc..b1d1e34 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -64,7 +64,6 @@ static struct cpio_data ucode_cpio;
 static struct cpio_data __init find_ucode_in_initrd(void)
 {
 #ifdef CONFIG_BLK_DEV_INITRD
-	long offset = 0;
 	char *path;
 	void *start;
 	size_t size;
@@ -92,7 +91,7 @@ static struct cpio_data __init find_ucode_in_initrd(void)
 	size    = boot_params.hdr.ramdisk_size;
 #endif /* !CONFIG_X86_32 */
 
-	return find_cpio_data(path, start, size, &offset);
+	return find_cpio_data(path, start, size, NULL);
 #else
 	return (struct cpio_data){ NULL, 0, "" };
 #endif
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index 5835d5b..2ad40b7 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -685,7 +685,6 @@ static __init enum ucode_state
 __scan_microcode_initrd(struct cpio_data *cd, struct ucode_blobs *blbp)
 {
 #ifdef CONFIG_BLK_DEV_INITRD
-	long offset = 0;
 	static __initdata char ucode_name[] = "kernel/x86/microcode/GenuineIntel.bin";
 	char *p = IS_ENABLED(CONFIG_X86_32) ? (char *)__pa_nodebug(ucode_name)
 						    : ucode_name;
@@ -716,7 +715,7 @@ __scan_microcode_initrd(struct cpio_data *cd, struct ucode_blobs *blbp)
 	}
 # endif
 
-	*cd = find_cpio_data(p, (void *)start, size, &offset);
+	*cd = find_cpio_data(p, (void *)start, size, NULL);
 	if (cd->data) {
 		blbp->start = start;
 		blbp->valid = true;