Alan Stern e469d0b09a media: gspca: Fix memory leak in probe
The gspca driver leaks memory when a probe fails.  gspca_dev_probe2()
calls v4l2_device_register(), which takes a reference to the
underlying device node (in this case, a USB interface).  But the
failure pathway neglects to call v4l2_device_unregister(), the routine
responsible for dropping this reference.  Consequently the memory for
the USB interface and its device never gets released.

This patch adds the missing function call.

Reported-and-tested-by: syzbot+44e64397bd81d5e84cba@syzkaller.appspotmail.com

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: <stable@vger.kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-12-07 15:00:15 +01:00
2020-10-13 13:04:41 -07:00
2020-11-29 10:18:53 -08:00
2020-11-27 10:38:36 -08:00
2020-11-27 11:13:39 -08:00
2020-11-28 10:42:30 -08:00
2020-11-14 12:04:02 -08:00
2020-11-19 19:56:29 +01:00
2020-10-17 11:18:18 -07:00
2020-11-27 11:04:13 -08:00
2020-11-13 13:16:27 +01:00
2020-11-29 15:50:50 -08:00

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.

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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