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ec8516f3b7
in the error path of io_register_pbuf_ring, only free bl if it was
allocated.
Reported-by: Dipanjan Das <mail.dipanjan.das@gmail.com>
Fixes: c7fb19428d ("io_uring: add support for ring mapped supplied buffers")
Signed-off-by: Dylan Yudaken <dylany@fb.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/all/CANX2M5bXKw1NaHdHNVqssUUaBCs8aBpmzRNVEYEvV0n44P7ioA@mail.gmail.com/
Link: https://lore.kernel.org/all/CANX2M5YiZBXU3L6iwnaLs-HHJXRvrxM8mhPDiMDF9Y9sAvOHUA@mail.gmail.com/
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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.