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Trond Myklebust 9ed8e8f684 NFSv4/flexfiles: Fix invalid deref in FF_LAYOUT_DEVID_NODE() 
[ Upstream commit 108bb4afd3 ]

If the attempt to instantiate the mirror's layout DS pointer failed,
then that pointer may hold a value of type ERR_PTR(), so we need
to check that before we dereference it.

Fixes: 65990d1afb ("pNFS/flexfiles: Fix a deadlock on LAYOUTGET")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-27 14:50:29 +01:00
arch ARM: 8849/1: NOMMU: Fix encodings for PMSAv8's PRBAR4/PRLAR4 2020-01-27 14:50:28 +01:00
block block: don't use bio->bi_vcnt to figure out segment number 2020-01-27 14:50:23 +01:00
certs
crypto crypto: tgr192 - fix unaligned memory access 2020-01-27 14:50:13 +01:00
Documentation bus: ti-sysc: Add mcasp optional clocks flag 2020-01-27 14:50:02 +01:00
drivers iommu/vt-d: Fix NULL pointer reference in intel_svm_bind_mm() 2020-01-27 14:50:29 +01:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:21:29 +01:00
fs NFSv4/flexfiles: Fix invalid deref in FF_LAYOUT_DEVID_NODE() 2020-01-27 14:50:29 +01:00
include perf, pt, coresight: Fix address filters for vmas with non-zero offset 2020-01-27 14:50:27 +01:00
init fork: fix some -Wmissing-prototypes warnings 2019-12-05 09:21:04 +01:00
ipc
kernel perf, pt, coresight: Fix address filters for vmas with non-zero offset 2020-01-27 14:50:27 +01:00
lib idr: Fix idr_get_next_ul race with idr_remove 2019-12-17 20:36:02 +01:00
LICENSES
mm mm/huge_memory.c: thp: fix conflict of above-47bit hint address and PMD alignment 2020-01-23 08:21:32 +01:00
net net: sched: act_csum: Fix csum calc for tagged packets 2020-01-27 14:50:29 +01:00
samples samples: bpf: fix syscall_tp due to unused syscall 2020-01-12 12:17:13 +01:00
scripts kconfig: don't crash on NULL expressions in expr_eq() 2020-01-12 12:17:19 +01:00
security keys: Timestamp new keys 2020-01-27 14:50:23 +01:00
sound ASoC: qcom: Fix of-node refcount unbalance in apq8016_sbc_parse_of() 2020-01-27 14:50:26 +01:00
tools perf map: No need to adjust the long name of modules 2020-01-27 14:49:53 +01:00
usr
virt KVM: arm/arm64: vgic: Don't rely on the wrong pending table 2019-12-13 08:52:45 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS USB: rio500: Remove Rio 500 kernel driver 2019-10-17 13:44:47 -07:00
Makefile kbuild: mark prepare0 as PHONY to fix external module build 2020-01-27 14:50:13 +01:00
README

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.
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.