Anil Gurumurthy 9db2ad79b8 scsi: qla2xxx: Mask off Scope bits in retry delay
commit 3cedc8797b9c0f2222fd45a01f849c57c088828b upstream.

Some newer target uses "Status Qualifier" response in a returned "Busy
Status". This new response code of 0x4001, which is "Scope" bits,
translates to "Affects all units accessible by target".  Due to this new
value returned in the Scope bits, driver was using that value as timeout
value which resulted into driver waiting for 27min timeout.

This patch masks off this Scope bits so that driver does not use this
value as retry delay time.

Cc: <stable@vger.kernel.org>
Signed-off-by: Anil Gurumurthy <anil.gurumurthy@cavium.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-03 11:24:57 +02:00
2018-07-03 11:24:57 +02:00
2018-06-26 08:06:33 +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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