Make it possible to distinguish between a failure to load a microcode
update and a failure to find any matching microcode update by returning
-ENOENT (instead of -EIO) in the later case.
Signed-off-by: Simon Gaiser <si...@invisiblethingslab.com>
---
xen/arch/x86/microcode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/arch/x86/microcode.c b/xen/arch/x86/microcode.c
index 77c1efc97f..e9fafb1d14 100644
--- a/xen/arch/x86/microcode.c
+++ b/xen/arch/x86/microcode.c
@@ -248,7 +248,7 @@ int microcode_resume_cpu(unsigned int cpu)
__microcode_fini_cpu(cpu);
uci->cpu_sig = nsig;
- err = -EIO;
+ err = -ENOENT;
for_each_online_cpu ( cpu2 )
{
uci = &per_cpu(ucode_cpu_info, cpu2);
--
2.16.2
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