ARC: fix /proc/cpuinfo for offline cpus

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index 252bf603db9c..900f68a70088 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -412,6 +412,11 @@ static int show_cpuinfo(struct seq_file *m, void *v)
         char *str;
         int cpu_id = ptr_to_cpu(v);
 
+        if (!cpu_online(cpu_id)) {
+                seq_printf(m, "processor [%d]\t: Offline\n", cpu_id);
+                goto done;
+        }
+
         str = (char *)__get_free_page(GFP_TEMPORARY);
         if (!str)
                 goto done;
@@ -429,7 +434,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 
         free_page((unsigned long)str);
 done:
-        seq_printf(m, "\n\n");
+        seq_printf(m, "\n");
 
         return 0;
 }