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Steffen Maier e3c914631c scsi: zfcp: drop default switch case which might paper over missing case 
[ Upstream commit 0c902936e5 ]

This was introduced with v4.18 commit 8c3d20aada ("scsi: zfcp: fix
missing REC trigger trace for all objects in ERP_FAILED") but would now
suppress helpful -Wswitch compiler warnings when building with W=1 such as
the following forced example:

drivers/s390/scsi/zfcp_erp.c: In function 'zfcp_erp_handle_failed':
drivers/s390/scsi/zfcp_erp.c:126:2: warning: enumeration value 'ZFCP_ERP_ACTION_REOPEN_PORT_FORCED' not handled in switch [-Wswitch]
  switch (want) {
  ^~~~~~

But then again, only with W=1 we would notice unhandled enum cases.
Without the default cases and a missed unhandled enum case, the code might
perform unforeseen things we might not want...

As of today, we never run through the removed default case, so removing it
is no functional change.  In the future, we never should run through a
default case but introduce the necessary specific case(s) to handle new
functionality.

Signed-off-by: Steffen Maier <maier@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2019-12-17 20:37:53 +01:00
Documentation HID: doc: fix wrong data structure reference for UHID_OUTPUT 2019-12-05 15:37:31 +01:00
arch MIPS: SiByte: Enable ZONE_DMA32 for LittleSur 2019-12-17 20:37:52 +01:00
block block: fix the DISCARD request merge 2019-12-01 09:13:49 +01:00
certs Replace magic for trusting the secondary keyring with #define 2018-09-09 19:55:54 +02:00
crypto crypto: user - support incremental algorithm dumps 2019-12-05 15:37:16 +01:00
drivers scsi: zfcp: drop default switch case which might paper over missing case 2019-12-17 20:37:53 +01:00
firmware License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs dlm: fix missing idr_destroy for recover_idr 2019-12-17 20:37:51 +01:00
include serial: core: Allow processing sysrq at port unlock time 2019-12-17 20:37:33 +01:00
init fork: fix some -Wmissing-prototypes warnings 2019-12-05 15:37:52 +01:00
ipc ipc/mqueue.c: only perform resource calculation if user valid 2019-08-06 19:05:24 +02:00
kernel sched/core: Avoid spurious lock dependencies 2019-12-17 20:37:29 +01:00
lib lib/genalloc.c: include vmalloc.h 2019-12-05 15:37:53 +01:00
mm vmscan: return NODE_RECLAIM_NOSCAN in node_reclaim() when CONFIG_NUMA is n 2019-12-05 15:37:51 +01:00
net xfrm: release device reference for invalid state 2019-12-17 20:37:28 +01:00
samples vfio-mdev/samples: Use u8 instead of char for handle functions 2019-12-05 15:37:27 +01:00
scripts scripts/gdb: fix debugging modules compiled with hot/cold partitioning 2019-12-05 15:37:04 +01:00
security apparmor: delete the dentry in aafs_remove() to avoid a leak 2019-12-05 15:38:01 +01:00
sound ALSA: pcm: Fix stream lock usage in snd_pcm_period_elapsed() 2019-12-17 20:37:29 +01:00
tools usbip: tools: fix fd leakage in the function of read_attr_usbip_status 2019-12-01 09:14:29 +01:00
usr kbuild: clean compressed initramfs image 2019-10-07 18:55:14 +02:00
virt kvm: properly check debugfs dentry before using it 2019-12-05 15:37:59 +01:00
.cocciconfig
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.get_maintainer.ignore
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.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING
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CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS USB: rio500: Remove Rio 500 kernel driver 2019-10-17 13:43:20 -07:00
Makefile Linux 4.14.158 2019-12-05 15:38:36 +01:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

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.