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Alain Volmat 7ca7532388 spi: stm32: properly handle 0 byte transfer 
[ Upstream commit 2269f5a8b1 ]

On 0 byte transfer request, return straight from the
xfer function after finalizing the transfer.

Fixes: dcbe0d84df ("spi: add driver for STM32 SPI controller")
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/1612551572-495-2-git-send-email-alain.volmat@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-03 18:22:47 +01:00
arch ARM: 9046/1: decompressor: Do not clear SCTLR.nTLSMD for ARMv7+ cores 2021-03-03 18:22:46 +01:00
block block: fix use-after-free in disk_part_iter_next 2021-01-17 13:59:01 +01:00
certs certs: Fix blacklist flag type confusion 2021-03-03 18:22:46 +01:00
crypto crypto: ecdh_helper - Ensure 'len >= secret.len' in decode_key() 2021-03-03 18:22:43 +01:00
Documentation USB: UAS: introduce a quirk to set no_write_same 2020-12-29 13:46:46 +01:00
drivers spi: stm32: properly handle 0 byte transfer 2021-03-03 18:22:47 +01:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:20:30 +01:00
fs isofs: release buffer head before return 2021-03-03 18:22:46 +01:00
include certs: Fix blacklist flag type confusion 2021-03-03 18:22:46 +01:00
init printk: reduce LOG_BUF_SHIFT range for H8300 2020-11-05 11:06:55 +01:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:17:07 +02:00
kernel tracepoint: Do not fail unregistering a probe due to memory failure 2021-03-03 18:22:47 +01:00
lib lib/string: Add strscpy_pad() function 2021-02-23 14:00:30 +01:00
mm memblock: do not start bottom-up allocations with kernel_end 2021-02-23 14:00:32 +01:00
net mac80211: fix potential overflow when multiplying to u32 integers 2021-03-03 18:22:40 +01:00
samples samples: bpf: Fix lwt_len_hist reusing previous BPF map 2020-12-29 13:46:56 +01:00
scripts scripts/recordmcount.pl: support big endian for ARCH sh 2021-03-03 18:22:36 +01:00
security certs: Fix blacklist flag type confusion 2021-03-03 18:22:46 +01:00
sound ASoC: cs42l56: fix up error handling in probe 2021-03-03 18:22:42 +01:00
tools perf tools: Fix DSO filtering when not finding a map for a sampled address 2021-03-03 18:22:47 +01:00
usr initramfs: restore default compression behavior 2020-04-13 10:34:19 +02:00
virt kvm: check tlbs_dirty directly 2021-02-23 14:00:34 +01:00
.cocciconfig
.get_maintainer.ignore
.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
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 MAINTAINERS: Update drm/i915 bug filing URL 2020-02-28 16:36:12 +01:00
Makefile Linux 4.14.222 2021-02-23 14:00:34 +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.