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Jason Wang 816db76635 vhost: correctly check the return value of translate_desc() in log_used() 
When fail, translate_desc() returns negative value, otherwise the
number of iovs. So we should fail when the return value is negative
instead of a blindly check against zero.

Detected by CoverityScan, CID# 1442593:  Control flow issues  (DEADCODE)

Fixes: cc5e710759 ("vhost: log dirty page correctly")
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reported-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-19 13:14:45 -08:00
arch
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
2019-02-16 22:34:07 -08:00
block
Merge tag 'for-linus-20190215' of git://git.kernel.dk/linux-block
2019-02-15 09:12:28 -08:00
certs
kbuild: remove redundant target cleaning on failure
2019-01-06 09:46:51 +09:00
crypto
net: crypto set sk to NULL when af_alg_release.
2019-02-18 12:01:24 -08:00
Documentation
doc: Mention MSG_ZEROCOPY implementation for UDP
2019-02-17 15:30:02 -08:00
drivers
vhost: correctly check the return value of translate_desc() in log_used()
2019-02-19 13:14:45 -08:00
firmware
kbuild: change filechk to surround the given command with { }
2019-01-06 09:46:51 +09:00
fs
Revert "exec: load_script: don't blindly truncate shebang string"
2019-02-14 15:02:18 -08:00
include
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
2019-02-16 22:34:07 -08:00
init
Revert "mm: use early_pfn_to_nid in page_ext_init"
2019-02-12 16:33:18 -08:00
ipc
ipc: IPCMNI limit check for semmni
2018-10-31 08:54:14 -07:00
kernel
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
2019-02-16 22:34:07 -08:00
lib
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-02-08 11:21:54 -08:00
LICENSES
Merge tag 'docs-4.20' of git://git.lwn.net/linux
2018-10-24 18:01:11 +01:00
mm
mm: Use fixed constant in page_frag_alloc instead of size + 1
2019-02-17 15:48:43 -08:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
2019-02-18 17:56:30 -08:00
samples
samples: mei: use /dev/mei0 instead of /dev/mei
2019-01-30 15:24:45 +01:00
scripts
Merge tag 'gcc-plugins-v5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2019-01-21 13:07:03 +13:00
security
apparmor: Fix aa_label_build() error handling for failed merges
2019-02-01 08:01:39 -08:00
sound
Merge tag 'sound-5.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2019-02-12 10:18:08 -08:00
tools
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-02-15 08:00:11 -08:00
usr
user/Makefile: Fix typo and capitalization in comment section
2018-12-11 00:18:03 +09:00
virt
kvm: fix kvm_ioctl_create_device() reference counting (CVE-2019-6974)
2019-02-07 19:02:38 +01:00
.clang-format
clang-format: Update .clang-format with the latest for_each macro list
2019-01-19 19:26:06 +01:00
.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
Merge tag 'mips_fixes_4.21_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
2019-01-05 12:48:25 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
Add CREDITS entry for Shaohua Li
2019-01-04 14:27:09 -07:00
Kbuild
kbuild: use assignment instead of define ... endef for filechk_* rules
2019-01-06 10:22:35 +09:00
Kconfig
kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt
2018-08-02 08:06:55 +09:00
MAINTAINERS
Merge tag 'sound-5.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2019-02-12 10:18:08 -08:00
Makefile
Linux 5.0-rc6
2019-02-10 14:42:20 -08:00
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.
Description
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