Andrey Konovalov 2916afcab4 UPSTREAM: usb: raw-gadget: fix raw_event_queue_fetch locking
If queue->size check in raw_event_queue_fetch() fails (which normally
shouldn't happen, that check is a fail-safe), the function returns
without reenabling interrupts. This patch fixes that issue, along with
propagating the cause of failure to the function caller.

Fixes: f2c2e71764 ("usb: gadget: add raw-gadget interface")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Link: https://lore.kernel.org/r/9f7ce7a1472cfb9447f6c5a494186fa1f2670f6f.1586270396.git.andreyknvl@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Bug: 147413187
(cherry picked from commit fdd10499de)
Change-Id: I602a9c9f8d9c441af9e67d472c00d6fde515c57d
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
2020-06-01 22:15:33 +02:00
2020-04-29 17:26:17 +02:00
2020-05-14 08:54:02 +02:00
2020-05-14 07:57:20 +02:00
2020-03-03 07:33:01 +01:00

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.
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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