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[ Upstream commitfbb7dc5db6] gcc points out a suspicious mixing of enum types in a function that converts from MTHCA_OPCODE_* values to IB_WC_* values: drivers/infiniband/hw/mthca/mthca_cq.c: In function 'mthca_poll_one': drivers/infiniband/hw/mthca/mthca_cq.c:607:21: warning: implicit conversion from 'enum <anonymous>' to 'enum ib_wc_opcode' [-Wenum-conversion] 607 | entry->opcode = MTHCA_OPCODE_INVALID; Nothing seems to ever check for MTHCA_OPCODE_INVALID again, no idea if this is meaningful, but it seems harmless as it deals with an invalid input. Remove MTHCA_OPCODE_INVALID and set the ib_wc_opcode to 0xFF, which is still bogus, but at least doesn't make compiler warnings. Fixes:2a4443a699("[PATCH] IB/mthca: fill in opcode field for send completions") Link: https://lore.kernel.org/r/20201026211311.3887003-1-arnd@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jason Gunthorpe <jgg@nvidia.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.