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[ Upstream commit b7c178d9e57c8fd4238ff77263b877f6f16182ba ] During recovery/check operations, the process_checks function loops through available disks to find a 'primary' source with successfully read data. If no suitable source disk is found after checking all possibilities, the 'primary' index will reach conf->raid_disks * 2. Add an explicit check for this condition after the loop. If no source disk was found, print an error message and return early to prevent further processing without a valid primary source. Link: https://lore.kernel.org/linux-raid/20250408143808.1026534-1-meir.elisha@volumez.com Signed-off-by: Meir Elisha <meir.elisha@volumez.com> Suggested-and-reviewed-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Sasha Levin <sashal@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.