From 9e711404027ef98cee49571c9e4827880128622f Mon Sep 17 00:00:00 2001 From: Dillon Min Date: Thu, 11 Mar 2021 17:31:35 +0800 Subject: component: driver: usb: enlarge uconfig_descriptor's data array space if you add more compositive usb device(more than 4), the data[256] can't hold all the devices's config information, array out of bounds. Signed-off-by: Dillon Min --- components/drivers/include/drivers/usb_common.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/components/drivers/include/drivers/usb_common.h b/components/drivers/include/drivers/usb_common.h index 4d85a85e35..a6c73c5601 100644 --- a/components/drivers/include/drivers/usb_common.h +++ b/components/drivers/include/drivers/usb_common.h @@ -112,7 +112,7 @@ extern "C" { #define USB_STRING_CONFIG_INDEX 0x04 #define USB_STRING_INTERFACE_INDEX 0x05 #define USB_STRING_OS_INDEX 0x06 -#define USB_STRING_MAX USB_STRING_OS_INDEX +#define USB_STRING_MAX 0xff #define USB_STRING_OS "MSFT100A" @@ -301,7 +301,7 @@ struct uconfig_descriptor rt_uint8_t iConfiguration; rt_uint8_t bmAttributes; rt_uint8_t MaxPower; - rt_uint8_t data[256]; + rt_uint8_t data[2048]; }; typedef struct uconfig_descriptor* ucfg_desc_t; -- cgit v1.3.1