[tip:x86/microcode] x86/microcode: Propagate save_microcode_in_initrd() retval

From: tip-bot for Borislav Petkov
Date: Wed Jun 08 2016 - 05:54:47 EST


Commit-ID: fa6788b8c681ffe0a1bf9f99dddc2c447069241c
Gitweb: http://git.kernel.org/tip/fa6788b8c681ffe0a1bf9f99dddc2c447069241c
Author: Borislav Petkov <bp@xxxxxxx>
AuthorDate: Mon, 6 Jun 2016 17:10:46 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 8 Jun 2016 11:04:20 +0200

x86/microcode: Propagate save_microcode_in_initrd() retval

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

Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1465225850-7352-6-git-send-email-bp@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/kernel/cpu/microcode/core.c | 6 +++---
arch/x86/kernel/cpu/microcode/intel.c | 4 ++--
2 files changed, 5 insertions(+), 5 deletions(-)

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;
}