diff options
| -rw-r--r-- | xen/arch/x86/microcode.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/xen/arch/x86/microcode.c b/xen/arch/x86/microcode.c index e6344cf182..091d5d1819 100644 --- a/xen/arch/x86/microcode.c +++ b/xen/arch/x86/microcode.c @@ -418,6 +418,7 @@ static int __init microcode_presmp_init(void) { void *data; size_t len; + int rc = 0; if ( ucode_blob.size ) { @@ -430,10 +431,24 @@ static int __init microcode_presmp_init(void) data = ucode_mod_map(&ucode_mod); } if ( data ) - microcode_update_cpu(data, len); + rc = microcode_update_cpu(data, len); + else + rc = -ENOMEM; if ( !ucode_blob.size ) ucode_mod_map(NULL); + + if ( rc ) + { + if ( ucode_blob.size ) + { + xfree(ucode_blob.data); + ucode_blob.size = 0; + ucode_blob.data = NULL; + } + else + ucode_mod.mod_end = 0; + } } register_cpu_notifier(µcode_percpu_nfb); |