fastboot: Keep borked bootloaders happy by shrinking URB len.
Some devices will fail to return the requested data if the final
URB len of the request to > 255.
So shrink the current data buffer from 128 to 127 in the acse of getting
the serial number seems to work just fine.
Change-Id: Ic24e6c86ec93f002dc721d92309b3f880f281f20
diff --git a/fastboot/usb_linux.c b/fastboot/usb_linux.c
index 85187de..83c6de9 100644
--- a/fastboot/usb_linux.c
+++ b/fastboot/usb_linux.c
@@ -131,7 +131,9 @@
info.serial_number[0] = 0;
if (dev->iSerialNumber) {
struct usbdevfs_ctrltransfer ctrl;
- __u16 buffer[128];
+ // Keep it short enough because some bootloaders are borked if the URB len is > 255
+ // 128 is too big by 1.
+ __u16 buffer[127];
int result;
memset(buffer, 0, sizeof(buffer));