847e835529
hisi_sas_slot_task_free() attempts to dereference SSP task for non-ATA tasks. If the task is SMP, the code may reference the wrong structure although this may not cause any problems. To avoid this, only access to SSP task when slot->n_elem_dif is not 0 which indicates this is an SSP task. Link: https://lore.kernel.org/r/1598958790-232272-2-git-send-email-john.garry@huawei.com Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.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.