1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index ac20f92347b1..e7134a5979c6 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -180,6 +180,12 @@ static long watchdog_ioctl(struct file *file, unsigned int cmd,
         unsigned int val;
         int err;
 
+        if (wdd->ops->ioctl) {
+                err = wdd->ops->ioctl(wdd, cmd, arg);
+                if (err != -ENOIOCTLCMD)
+                        return err;
+        }
+
         switch (cmd) {
         case WDIOC_GETSUPPORT:
                 return copy_to_user(argp, wdd->info,