libftdi Archives

Subject: Bug in ftdi_read_data

From: "Hermann Kraus" <herm@xxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Mon, 16 Aug 2010 00:12:51 +0200

The current git version of libftdi contains a critical bug in ftdi_read_data. If a read from the device returns more data than requested the function exits with error -127 (documented as "// never reached") instead of a correct return code.

The attached patch fixes this problem.


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