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-rw-r--r--drivers/char/watchdog/machzwd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/watchdog/machzwd.c b/drivers/char/watchdog/machzwd.c
index 4a328ba0d26..81fb3dec180 100644
--- a/drivers/char/watchdog/machzwd.c
+++ b/drivers/char/watchdog/machzwd.c
@@ -324,7 +324,7 @@ static int zf_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
return put_user(0, p);
case WDIOC_KEEPALIVE:
- zf_ping(0);
+ zf_ping(NULL);
break;
default: