usb: gadget: printer: define pnp string buffer length
Avoid using magic numbers.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/legacy/printer.c b/drivers/usb/gadget/legacy/printer.c
index 84e6cdd..db5e2f0 100644
--- a/drivers/usb/gadget/legacy/printer.c
+++ b/drivers/usb/gadget/legacy/printer.c
@@ -276,9 +276,11 @@
/* descriptors that are built on-demand */
+#define PNP_STRING_LEN 1024
+
static char product_desc [40] = DRIVER_DESC;
static char serial_num [40] = "1";
-static char pnp_string [1024] =
+static char pnp_string[PNP_STRING_LEN] =
"XXMFG:linux;MDL:g_printer;CLS:PRINTER;SN:1;";
/* static strings, in UTF-8 */
@@ -1247,7 +1249,7 @@
INIT_LIST_HEAD(&dev->rx_buffers);
if (pnp_str)
- strlcpy(&pnp_string[2], pnp_str, sizeof(pnp_string) - 2);
+ strlcpy(&pnp_string[2], pnp_str, PNP_STRING_LEN - 2);
len = strlen(pnp_string);
pnp_string[0] = (len >> 8) & 0xFF;