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f15fb2cd97
In raid56_alloc_missing_rbio(), if we can not determine where the missing device is inside the full stripe, we just BUG_ON(). This is not necessary especially the only caller inside scrub.c is already properly checking the return value, and will treat it as a memory allocation failure. Fix the error handling by: - Add an extra warning for the reason Although personally speaking it may be better to be an ASSERT(). - Properly free the allocated rbio Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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.