_cleanup_close_ int fd = -1;
ssize_t size;
unsigned char buf[18 + 65535];
- int pos = 0;
+ size_t pos = 0;
unsigned strpos = 0;
struct usb_interface_descriptor {
- u_int8_t bLength;
- u_int8_t bDescriptorType;
- u_int8_t bInterfaceNumber;
- u_int8_t bAlternateSetting;
- u_int8_t bNumEndpoints;
- u_int8_t bInterfaceClass;
- u_int8_t bInterfaceSubClass;
- u_int8_t bInterfaceProtocol;
- u_int8_t iInterface;
- } __attribute__((packed));
+ uint8_t bLength;
+ uint8_t bDescriptorType;
+ uint8_t bInterfaceNumber;
+ uint8_t bAlternateSetting;
+ uint8_t bNumEndpoints;
+ uint8_t bInterfaceClass;
+ uint8_t bInterfaceSubClass;
+ uint8_t bInterfaceProtocol;
+ uint8_t iInterface;
+ } _packed_;
if (asprintf(&filename, "%s/descriptors", udev_device_get_syspath(dev)) < 0)
return log_oom();
return -EIO;
ifs_str[0] = '\0';
- while (pos < size && strpos+7 < len-2) {
+ while (pos + sizeof(struct usb_interface_descriptor) < (size_t) size &&
+ strpos + 7 < len - 2) {
+
struct usb_interface_descriptor *desc;
char if_str[8];