x86/microcode: Adjust late loading result reporting message

During late microcode loading, the "Reload completed" message is issued
unconditionally, regardless of success or failure.

Adjust the message to report the result of the update.

  [ bp: Massage. ]

Fixes: 9bd68125 ("x86/microcode: Announce reload operation's completion")
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/lkml/874judpqqd.ffs@tglx/

arch/x86/kernel/cpu/microcode/core.c

@@ -453,11 +453,14 @@ static int microcode_reload_late(void)
 	store_cpu_caps(&prev_info);
 
 	ret = stop_machine_cpuslocked(__reload_late, NULL, cpu_online_mask);
-	if (ret == 0)
+	if (!ret) {
+		pr_info("Reload succeeded, microcode revision: 0x%x -> 0x%x\n",
+			old, boot_cpu_data.microcode);
 		microcode_check(&prev_info);
-
-	pr_info("Reload completed, microcode revision: 0x%x -> 0x%x\n",
-		old, boot_cpu_data.microcode);
+	} else {
+		pr_info("Reload failed, current microcode revision: 0x%x\n",
+			boot_cpu_data.microcode);
+	}
 
 	return ret;
 }