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commit7b8943b821upstream. When connection establishment fails in iWARP mode, an app can drain the QPs and hang because flush isn't issued when the QP is modified from RTR state to error. Issue a flush in this case using function irdma_cm_disconn(). Update irdma_cm_disconn() to do flush when cm_id is NULL, which is the case when the QP is in RTR state and there is an error in the connection establishment. Fixes:b48c24c2d7("RDMA/irdma: Implement device supported verb APIs") Link: https://lore.kernel.org/r/20220425181703.1634-2-shiraz.saleem@intel.com Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.