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commit5a3dc32372upstream. In recent code, two path record entries are alwasy cleared while allocated could be either one or two path record entries. This leads to zero out of unallocated memory. This fix initializes alternative path record only when alternative path is set. While we are at it, path record allocation doesn't check for OPA alternative path, but rest of the code checks for OPA alternative path. Path record allocation code doesn't check for OPA alternative LID. This can further lead to memory corruption when only one path record is allocated, but there is actually alternative OPA path record present in CM request. Fixes:9fdca4da4d("IB/SA: Split struct sa_path_rec based on IB and ROCE specific fields") Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Moni Shoua <monis@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.