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During v4.3 when the overflow/underflow check was relaxed by commitc72c525022: commitc72c525022Author: Roland Dreier <roland@purestorage.com> Date: Wed Jul 22 15:08:18 2015 -0700 target: allow underflow/overflow for PR OUT etc. commands to allow underflow/overflow for Windows compliance + FCP, a consequence was to allow control CDBs to process overflow data for iscsi-target with immediate data as well. As per Roland's original change, continue to allow underflow cases for control CDBs to make Windows compliance + FCP happy, but until overflow for control CDBs is supported tree-wide, explicitly reject all control WRITEs with overflow following pre v4.3.y logic. Reported-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Roland Dreier <roland@purestorage.com> Cc: <stable@vger.kernel.org> # v4.3+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.