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Noralf Trønnes 0586576950 drm/fb-helper: Fix drm_fb_helper_hotplug_event() NULL ptr argument

drm_fb_helper_hotplug_event() should tolerate the fb_helper argument being
NULL. Commit 03a9606e7f ("drm/fb-helper: Avoid race with DRM userspace")
introduced a fb_helper dereference before the NULL check.
Fixup by moving the dereference after the NULL check.

Fixes: 03a9606e7f ("drm/fb-helper: Avoid race with DRM userspace")
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190515132925.48867-1-noralf@tronnes.org

2019-05-16 12:01:46 +02:00

arch

Merge tag 'drm-intel-next-2019-04-17' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

2019-04-24 10:02:20 +10:00

block

block: do not leak memory in bio_copy_user_iov()

2019-04-10 16:14:40 -06:00

certs

kexec, KEYS: Make use of platform keyring for signature verify

2019-02-04 17:34:07 -05:00

crypto

lib/lzo: separate lzo-rle from lzo

2019-03-07 18:32:03 -08:00

Documentation

drm: Integrate VRAM MM into struct drm_device

2019-05-15 16:17:06 +02:00

drivers

drm/fb-helper: Fix drm_fb_helper_hotplug_event() NULL ptr argument

2019-05-16 12:01:46 +02:00

Merge branch 'page-refs' (page ref overflow)

2019-04-14 15:09:40 -07:00

include

drm: Integrate VRAM MM into struct drm_device

2019-05-15 16:17:06 +02:00

init

init/main: add checks for the return value of memblock_alloc*()

2019-03-12 10:04:02 -07:00

ipc

Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2019-03-12 14:08:19 -07:00

kernel

Merge branch 'page-refs' (page ref overflow)

2019-04-14 15:09:40 -07:00

lib

Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2019-04-09 16:20:59 -10:00

LICENSES

LICENSES: Add GCC runtime library exception text

2019-01-16 14:54:15 -07:00

Merge branch 'page-refs' (page ref overflow)

2019-04-14 15:09:40 -07:00

net

Revert "SUNRPC: Micro-optimise when the task is known not to be sleeping"

2019-04-11 15:41:14 -04:00

samples

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2019-03-11 08:54:01 -07:00

scripts

fs: stream_open - opener for stream-like files so that read and write can run simultaneously without deadlock

2019-04-06 07:01:55 -10:00

security

apparmor: Restore Y/N in /sys for apparmor's "enabled"

2019-04-10 04:24:48 -07:00

sound

BackMerge v5.1-rc5 into drm-next

2019-04-15 15:51:49 +10:00

tools

Merge tag 'for-linus-20190412' of git://git.kernel.dk/linux-block

2019-04-13 16:23:16 -07:00

usr

user/Makefile: Fix typo and capitalization in comment section

2018-12-11 00:18:03 +09:00

virt

Merge tag 'kvmarm-fixes-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master

2019-03-28 19:07:30 +01:00

.clang-format

clang-format: Update with the latest for_each macro list

2019-04-12 12:49:54 +02:00

.cocciconfig

scripts: add Linux .cocciconfig for coccinelle

2016-07-22 12:13:39 +02:00

.get_maintainer.ignore

Add hch to .get_maintainer.ignore

2015-08-21 14:30:10 -07:00

.gitattributes

.gitattributes: set git diff driver for C source code files

2016-10-07 18:46:30 -07:00

.gitignore

kbuild: Add support for DT binding schema checks

2018-12-13 09:41:32 -06:00

.mailmap

Update Nicolas Pitre's email address

2019-04-02 18:12:44 -10:00

COPYING

COPYING: use the new text with points to the license files

2018-03-23 12:41:45 -06:00

CREDITS

Merge tag 'char-misc-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

2019-03-06 14:18:59 -08:00

Kbuild

Merge tag 'kbuild-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2019-03-10 17:48:21 -07:00

Kconfig

kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt

2018-08-02 08:06:55 +09:00

MAINTAINERS

Merge remote-tracking branch 'drm/drm-next' into drm-misc-next

2019-05-09 10:19:03 +02:00

Makefile

Linux 5.1-rc5

2019-04-14 15:17:41 -07:00

README

Drop all 00-INDEX files from Documentation/

2018-09-09 15:08:58 -06:00

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.