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5a987f7ba0
Add missing mmput() on error path to avoid ref-count leak. This problem is introduced by79bb5b7ee1("RDMA/umem: Fix missing mmap_sem in get umem ODP call") and resolved byf27a0d50a4("RDMA/umem: Use umem->owning_mm inside ODP"). So, it's only needed in stable-4.14 and stable-4.19. Fixes:79bb5b7ee1("RDMA/umem: Fix missing mmap_sem in get umem ODP call") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.
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.