1 files changed, 15 insertions, 4 deletions

diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 81904f07679d..3cb9492801c0 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -27,6 +27,7 @@ static int show_stat(struct seq_file *p, void *v)
         u64 sum = 0;
         struct timespec boottime;
         unsigned int per_irq_sum;
+        struct irq_desc *desc;
 
         user = nice = system = idle = iowait =
                 irq = softirq = steal = cputime64_zero;
@@ -44,10 +45,14 @@ static int show_stat(struct seq_file *p, void *v)
                 softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
                 steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
                 guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
-
-                for_each_irq_nr(j)
+                for_each_irq_nr(j) {
+#ifdef CONFIG_SPARSE_IRQ
+                        desc = irq_to_desc(j);
+                        if (!desc)
+                                continue;
+#endif
                         sum += kstat_irqs_cpu(j, i);
-
+                }
                 sum += arch_irq_stat_cpu(i);
         }
         sum += arch_irq_stat();
@@ -92,7 +97,13 @@ static int show_stat(struct seq_file *p, void *v)
         /* sum again ? it could be updated? */
         for_each_irq_nr(j) {
                 per_irq_sum = 0;
-
+#ifdef CONFIG_SPARSE_IRQ
+                desc = irq_to_desc(j);
+                if (!desc) {
+                        seq_printf(p, " %u", per_irq_sum);
+                        continue;
+                }
+#endif
                 for_each_possible_cpu(i)
                         per_irq_sum += kstat_irqs_cpu(j, i);