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authorAndrzej Pietrasiewicz <andrzej.p@samsung.com>2015-03-03 10:52:16 +0100
committerFelipe Balbi <balbi@ti.com>2015-03-10 15:33:37 -0500
commit085617a1eb865c2987c05652bf82d35f500ac4b4 (patch)
tree86586bae1f8d74edeeb79bc4272e3764793c430a /drivers/usb/gadget
parent991cd26249e775c07347ab4d62adfbc3284e7704 (diff)
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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>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/legacy/printer.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/gadget/legacy/printer.c b/drivers/usb/gadget/legacy/printer.c
index 84e6cdd72137..db5e2f0681c7 100644
--- a/drivers/usb/gadget/legacy/printer.c
+++ b/drivers/usb/gadget/legacy/printer.c
@@ -276,9 +276,11 @@ static inline struct usb_endpoint_descriptor *ep_desc(struct usb_gadget *gadget,
/* 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 @@ static int f_printer_bind_config(struct usb_configuration *c, char *pnp_str,
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;