1 files changed, 3 insertions, 5 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 39c9c87a1342..aaa3d465de4e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2394,12 +2394,11 @@ safe_delay_store(mddev_t *mddev, const char *cbuf, size_t len)
         int i;
         unsigned long msec;
         char buf[30];
-        char *e;
+
         /* remove a period, and count digits after it */
         if (len >= sizeof(buf))
                 return -EINVAL;
-        strlcpy(buf, cbuf, len);
-        buf[len] = 0;
+        strlcpy(buf, cbuf, sizeof(buf));
         for (i=0; i<len; i++) {
                 if (dot) {
                         if (isdigit(buf[i])) {
@@ -2412,8 +2411,7 @@ safe_delay_store(mddev_t *mddev, const char *cbuf, size_t len)
                         buf[i] = 0;
                 }
         }
-        msec = simple_strtoul(buf, &e, 10);
-        if (e == buf || (*e && *e != '\n'))
+        if (strict_strtoul(buf, 10, &msec) < 0)
                 return -EINVAL;
         msec = (msec * 1000) / scale;
         if (msec == 0)