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>
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@ -276,9 +276,11 @@ static inline struct usb_endpoint_descriptor *ep_desc(struct usb_gadget *gadget,
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/* descriptors that are built on-demand */
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#define PNP_STRING_LEN 1024
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static char product_desc [40] = DRIVER_DESC;
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static char serial_num [40] = "1";
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static char pnp_string [1024] =
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static char pnp_string[PNP_STRING_LEN] =
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"XXMFG:linux;MDL:g_printer;CLS:PRINTER;SN:1;";
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/* static strings, in UTF-8 */
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@ -1247,7 +1249,7 @@ static int f_printer_bind_config(struct usb_configuration *c, char *pnp_str,
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INIT_LIST_HEAD(&dev->rx_buffers);
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if (pnp_str)
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strlcpy(&pnp_string[2], pnp_str, sizeof(pnp_string) - 2);
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strlcpy(&pnp_string[2], pnp_str, PNP_STRING_LEN - 2);
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len = strlen(pnp_string);
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pnp_string[0] = (len >> 8) & 0xFF;
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