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Paolo Valente a66c38a171 block, bfq: use pointer entity->sched_data only if set
In the function __bfq_deactivate_entity, the pointer
entity->sched_data could happen to be used before being properly
initialized. This led to a NULL pointer dereference. This commit fixes
this bug by just using this pointer only where it is safe to do so.

Reported-by: Tom Harrison <l12436.tw@gmail.com>
Tested-by: Tom Harrison <l12436.tw@gmail.com>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
2017-05-10 07:39:43 -06:00
arch DeviceTree for 4.12: 2017-05-05 19:33:07 -07:00
block block, bfq: use pointer entity->sched_data only if set 2017-05-10 07:39:43 -06:00
certs KEYS: Use structure to capture key restriction function and data 2017-04-04 14:10:10 -07:00
crypto Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2017-05-03 08:50:52 -07:00
Documentation docs: complete bumping minimal GNU Make version to 3.81 2017-05-06 18:49:09 -07:00
drivers nvme: lightnvm: fix memory leak 2017-05-10 07:39:43 -06:00
firmware
fs Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6 2017-05-06 11:51:46 -07:00
include Changes for 4.12: 2017-05-06 11:46:16 -07:00
init initramfs: avoid "label at end of compound statement" error 2017-05-06 10:27:13 -07:00
ipc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2017-05-05 11:08:43 -07:00
kernel powerpc updates for 4.12 part 1. 2017-05-05 11:36:44 -07:00
lib refcount: change EXPORT_SYMBOL markings 2017-05-06 11:01:34 -07:00
mm Staging/IIO patches for 4.12-rc1 2017-05-05 18:16:23 -07:00
net Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2017-05-05 11:08:43 -07:00
samples char/misc patches for 4.12-rc1 2017-05-04 19:15:35 -07:00
scripts DeviceTree for 4.12: 2017-05-05 19:33:07 -07:00
security Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2017-05-03 08:50:52 -07:00
sound sound updates for 4.12-rc1 2017-05-03 11:58:59 -07:00
tools libnvdimm for 4.12 2017-05-05 18:49:20 -07:00
usr
virt arm64 updates for 4.12: 2017-05-05 12:11:37 -07:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap Staging/IIO patches for 4.12-rc1 2017-05-05 18:16:23 -07:00
COPYING
CREDITS avr32: remove support for AVR32 architecture 2017-05-01 09:27:15 +02:00
Kbuild
Kconfig
MAINTAINERS Staging/IIO patches for 4.12-rc1 2017-05-05 18:16:23 -07:00
Makefile A reasonably busy cycle for documentation this time around. There is a new 2017-05-02 10:21:17 -07:00
README

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.