Commit-ID: d982057f631df04f8d78321084a1a71ca51f3364 Gitweb: http://git.kernel.org/tip/d982057f631df04f8d78321084a1a71ca51f3364 Author: Torsten Kaiser <just.for.lkml@xxxxxxxxxxxxxx> AuthorDate: Tue, 23 Jul 2013 22:58:23 +0200 Committer: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> CommitDate: Wed, 31 Jul 2013 08:37:14 -0700 x86, amd, microcode: Fix error path in apply_microcode_amd() Return -1 (like Intels apply_microcode) when the loading fails, also do not set the active microcode level on failure. Signed-off-by: Torsten Kaiser <just.for.lkml@xxxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/20130723225823.2e4e7588@xxxxxxxxxxxxxx Acked-by: Borislav Petkov <bp@xxxxxxx> Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> --- arch/x86/kernel/microcode_amd.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 47ebb1d..7a0adb7 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -220,12 +220,13 @@ int apply_microcode_amd(int cpu) return 0; } - if (__apply_microcode_amd(mc_amd)) + if (__apply_microcode_amd(mc_amd)) { pr_err("CPU%d: update failed for patch_level=0x%08x\n", cpu, mc_amd->hdr.patch_id); - else - pr_info("CPU%d: new patch_level=0x%08x\n", cpu, - mc_amd->hdr.patch_id); + return -1; + } + pr_info("CPU%d: new patch_level=0x%08x\n", cpu, + mc_amd->hdr.patch_id); uci->cpu_sig.rev = mc_amd->hdr.patch_id; c->microcode = mc_amd->hdr.patch_id; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html