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07f745f9a6
[ Upstream commiteb62cca9be] The getter callers doesn't know the valid Physical Queues (PQ) values. This patch makes sure that a valid PQ will always be returned. The patch consists of 3 fixes: - When qed_init_qm_get_idx_from_flags() receives a disabled flag, it returned PQ 0, which can potentially be another function's pq. Verify that flag is enabled, otherwise return default start_pq. - When qed_init_qm_get_idx_from_flags() receives an unknown flag, it returned NULL and could lead to a segmentation fault. Return default start_pq instead. - A modulo operation was added to MCOS/VFS PQ getters to make sure the PQ returned is in range of the required flag. Fixes:b5a9ee7cf3("qed: Revise QM cofiguration") Signed-off-by: Denis Bolotin <denis.bolotin@cavium.com> Signed-off-by: Michal Kalderon <michal.kalderon@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net> 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.
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.