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4b4e586ebe
This is being used with two quite different flows, one attaches the message to the priv and the other does not. Ensure the message attach is consistently done under the spinlock and ensure that the free on error always detaches the message from the cm_id_priv, also always under lock. This makes read/write to the cm_id_priv->msg consistently locked and consistently NULL'd when the message is freed, even in all error paths. Link: https://lore.kernel.org/r/f692b8c89eecb34fd82244f317e478bea6c97688.1622629024.git.leonro@nvidia.com Signed-off-by: Mark Zhang <markzhang@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.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.