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-rw-r--r--util-linux/mdev.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index bf07aebb3..a32c04f6b 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -180,8 +180,9 @@ static void make_device(char *path, int delete)
/* substitute %1..9 with off[1..9], if any */
n = 0;
s = val;
- while (*s && *s++ == '%')
- n++;
+ while (*s)
+ if (*s++ == '%')
+ n++;
p = alias = xzalloc(strlen(val) + n * strlen(device_name));
s = val + 1;