From: Borislav Petkov <bp@suse.de>
Date: Mon, 6 Jun 2016 15:10:46 +0000 (+0200)
Subject: x86/microcode: Propagate save_microcode_in_initrd() retval
X-Git-Tag: v4.14-rc1~2764^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fa6788b8c681ffe0a1bf9f99dddc2c447069241c;p=platform%2Fkernel%2Flinux-rpi.git

x86/microcode: Propagate save_microcode_in_initrd() retval

Will be used in a later patch. No functionality change.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1465225850-7352-6-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 12823b6..9ae7fca 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -182,17 +182,17 @@ static int __init save_microcode_in_initrd(void)
 	switch (c->x86_vendor) {
 	case X86_VENDOR_INTEL:
 		if (c->x86 >= 6)
-			save_microcode_in_initrd_intel();
+			return save_microcode_in_initrd_intel();
 		break;
 	case X86_VENDOR_AMD:
 		if (c->x86 >= 0x10)
-			save_microcode_in_initrd_amd();
+			return save_microcode_in_initrd_amd();
 		break;
 	default:
 		break;
 	}
 
-	return 0;
+	return -EINVAL;
 }
 
 void reload_early_microcode(void)
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index 2ad40b7..d852ca9 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -675,8 +675,8 @@ int __init save_microcode_in_initrd_intel(void)
 	ret = save_microcode(&mc_saved_data, mc_saved, count);
 	if (ret)
 		pr_err("Cannot save microcode patches from initrd.\n");
-
-	show_saved_mc();
+	else
+		show_saved_mc();
 
 	return ret;
 }