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e0c4a422f5
Fix three error exit issues in expected receive setup. Re-arrange error exits to increase readability. Issues and fixes: 1. Possible missed page unpin if tidlist copyout fails and not all pinned pages where made part of a TID. Fix: Unpin the unused pages. 2. Return success with unset return values tidcnt and length when no pages were pinned. Fix: Return -ENOSPC if no pages were pinned. 3. Return success with unset return values tidcnt and length when no rcvarray entries available. Fix: Return -ENOSPC if no rcvarray entries are available. Fixes:7e7a436ecb("staging/hfi1: Add TID entry program function body") Fixes:97736f36db("IB/hfi1: Validate page aligned for a given virtual addres") Fixes:f404ca4c7e("IB/hfi1: Refactor hfi_user_exp_rcv_setup() IOCTL") Signed-off-by: Dean Luick <dean.luick@cornelisnetworks.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> Link: https://lore.kernel.org/r/167328548150.1472310.1492305874804187634.stgit@awfm-02.cornelisnetworks.com Signed-off-by: Leon Romanovsky <leon@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.