X-Git-Url: http://developer.intra2net.com/git/?a=blobdiff_plain;f=src%2Fftdi.c;h=9df06fc584907e33d3b6d6bd98ace06132d6a2ab;hb=c7eb3112020721ceb7793c66bf5617587f069a6b;hp=09547120b40621f864e1a769b539ba2dfe313c32;hpb=912d50cad3cec8c59ad913b66af2334948a2a150;p=libftdi diff --git a/src/ftdi.c b/src/ftdi.c index 0954712..9df06fc 100644 --- a/src/ftdi.c +++ b/src/ftdi.c @@ -1256,7 +1256,7 @@ static unsigned char ftdi_read_chipid_shift(unsigned char value) */ int ftdi_read_chipid(struct ftdi_context *ftdi, unsigned int *chipid) { - unsigned int a = 0, b = 0, result = -1; + unsigned int a = 0, b = 0; if (usb_control_msg(ftdi->usb_dev, 0xC0, 0x90, 0, 0x43, (char *)&a, 2, ftdi->usb_read_timeout) == 2) { @@ -1268,14 +1268,11 @@ int ftdi_read_chipid(struct ftdi_context *ftdi, unsigned int *chipid) a = ftdi_read_chipid_shift(a) | ftdi_read_chipid_shift(a>>8)<<8 | ftdi_read_chipid_shift(a>>16)<<16 | ftdi_read_chipid_shift(a>>24)<<24; *chipid = a ^ 0xa5f0f7d1; - result = 0; + return 0; } } - if (result != 0) - ftdi_error_return(result, "read of FTDIChip-ID failed"); - - return 0; + ftdi_error_return(-1, "read of FTDIChip-ID failed"); } /**