usb: fsl: Fix NULL terminating issue for usb controller name string

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

Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>

diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index a43d37d..fa916ed 100644 (file)
--- 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: