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Jean-Philippe Brucker 776e78677f drm/meson: Fix invalid pointer in meson_drv_unbind()
meson_drv_bind() registers a meson_drm struct as the device's privdata,
but meson_drv_unbind() tries to retrieve a drm_device. This may cause a
segfault on shutdown:

[ 5194.593429] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000197
 ...
[ 5194.788850] Call trace:
[ 5194.791349]  drm_dev_unregister+0x1c/0x118 [drm]
[ 5194.795848]  meson_drv_unbind+0x50/0x78 [meson_drm]

Retrieve the right pointer in meson_drv_unbind().

Fixes: bbbe775ec5 ("drm: Add support for Amlogic Meson Graphic Controller")
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190322152657.13752-1-jean-philippe.brucker@arm.com
2019-03-25 11:18:31 +01:00
arch Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
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Documentation Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
drivers drm/meson: Fix invalid pointer in meson_drv_unbind() 2019-03-25 11:18:31 +01:00
fs Pull request for inlusion in 5.1 2019-03-17 09:10:56 -07:00
include Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
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Makefile Linux 5.1-rc1 2019-03-17 14:22:26 -07:00
README

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.