[U-Boot] [PATCH v2] usb: fsl: Fix NULL terminating issue for usb controller name string

[Rajesh Bhagat]

Fixes NULL terminating issue for usb controller name string by using
sizeof operator.

Signed-off-by: Rajesh Bhagat <rajesh.bhagat at nxp.com>
---
 drivers/usb/host/ehci-fsl.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index a43d37d..fa916ed 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -65,7 +65,8 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 		mdelay(5);
 	}
 	memset(current_usb_controller, '\0', 5);
-	snprintf(current_usb_controller, 4, "usb%d", index+1);
+	snprintf(current_usb_controller, sizeof(current_usb_controller),
+		 "usb%d", index+1);
 
 	switch (index) {
 	case 0:
-- 
2.6.2.198.g614a2ac