Colin Ian King 0132af05fc soundwire: fix sign extension when shifting buf[2] 24 places
The buf[2] left shift by 24 bits is promoted to int (32 bit signed)
and then signed-extended to unsigned long long. Hence if the upper
bit to buf[2] is set then all the upper bits of addr end up as 1.
Fix this by casting it to u64 before shifting it. Also replace the
unsigned long long casts to u64 casts to match the same type of
addr.

Detected by CoverityScan, CID#1463147 ("Unintended sign extension")

Fixes: d52d7a1be0 ("soundwire: Add Slave status handling helpers")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-08 17:53:20 +01:00
2017-12-20 11:10:17 -07:00
2018-01-02 14:46:35 +01:00
2018-01-02 14:46:35 +01:00
2017-12-31 14:47:43 -08:00

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.
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