Merge tag 'regmap-3.4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...

[cascardo/linux.git] / drivers / base / regmap / regcache-rbtree.c

diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index fb14a63..92b779e 100644 (file)
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -138,6 +138,7 @@ static int rbtree_show(struct seq_file *s, void *ignored)
        unsigned int base, top;
        int nodes = 0;
        int registers = 0;
+       int average;
 
        mutex_lock(&map->lock);
 
@@ -152,8 +153,13 @@ static int rbtree_show(struct seq_file *s, void *ignored)
                registers += top - base + 1;
        }
 
+       if (nodes)
+               average = registers / nodes;
+       else
+               average = 0;
+
        seq_printf(s, "%d nodes, %d registers, average %d registers\n",
-                  nodes, registers, registers / nodes);
+                  nodes, registers, average);
 
        mutex_unlock(&map->lock);