target/usb-gadget: strlen() doesn't count the terminator

We need to take the terminator into consideration here or the last
character gets silently truncated away later.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --git a/drivers/usb/gadget/tcm_usb_gadget.c b/drivers/usb/gadget/tcm_usb_gadget.c
index 0f75f23..5662d6e 100644 (file)
--- a/drivers/usb/gadget/tcm_usb_gadget.c
+++ b/drivers/usb/gadget/tcm_usb_gadget.c
@@ -1815,7 +1815,7 @@ static ssize_t tcm_usbg_tpg_store_nexus(
                ret = tcm_usbg_drop_nexus(tpg);
                return (!ret) ? count : ret;
        }
-       if (strlen(page) > USBG_NAMELEN) {
+       if (strlen(page) >= USBG_NAMELEN) {
                pr_err("Emulated NAA Sas Address: %s, exceeds"
                                " max: %d\n", page, USBG_NAMELEN);
                return -EINVAL;