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f9fc76c394
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Lukas Wunner f9fc76c394 spi: spi-mtk-nor: Don't leak SPI master in probe error path 
commit 0f4ad8d59f33b24dd86739f3be23e6af1a86f5a9 upstream.

If the call to devm_spi_register_controller() fails on probe of the
MediaTek SPI NOR driver, the spi_controller struct is erroneously not
freed.

Since commit a1daaa991e ("spi: spi-mtk-nor: use dma_alloc_coherent()
for bounce buffer"), the same happens if the call to
dmam_alloc_coherent() fails.

Since commit 3bfd9103c7 ("spi: spi-mtk-nor: Add power management
support"), the same happens if the call to mtk_nor_enable_clk() fails.

Fix by switching over to the new devm_spi_alloc_master() helper.

Fixes: 881d1ee9fe ("spi: add support for mediatek spi-nor controller")
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Cc: <stable@vger.kernel.org> # v5.7+: 5e844cc37a: spi: Introduce device-managed SPI controller allocation
Cc: <stable@vger.kernel.org> # v5.7+
Cc: Chuanhong Guo <gch981213@gmail.com>
Link: https://lore.kernel.org/r/d5b9f0289465394e73dedb8ec51e180a8f1dffc9.1607286887.git.lukas@wunner.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-30 11:54:20 +01:00
arch um: Fix time-travel mode 2020-12-30 11:54:17 +01:00
block block-5.10-2020-12-05 2020-12-05 14:45:30 -08:00
certs
crypto crypto: ecdh - avoid unaligned accesses in ecdh_set_secret() 2020-12-30 11:54:10 +01:00
Documentation Documentation: seqlock: s/LOCKTYPE/LOCKNAME/g 2020-12-30 11:54:11 +01:00
drivers spi: spi-mtk-nor: Don't leak SPI master in probe error path 2020-12-30 11:54:20 +01:00
fs jfs: Fix array index bounds check in dbAdjTree 2020-12-30 11:54:18 +01:00
include iio: ad_sigma_delta: Don't put SPI transfer buffer on the stack 2020-12-30 11:54:19 +01:00
init initramfs: fix clang build failure 2020-12-11 14:02:14 -08:00
ipc ipc: adjust proc_ipc_sem_dointvec definition to match prototype 2020-09-05 12:14:29 -07:00
kernel fsnotify: generalize handle_inode_event() 2020-12-30 11:54:18 +01:00
lib dyndbg: fix use before null check 2020-12-30 11:54:11 +01:00
LICENSES LICENSES/deprecated: add Zlib license text 2020-09-16 14:33:49 +02:00
mm z3fold: stricter locking and more careful reclaim 2020-12-30 11:54:10 +01:00
net xprtrdma: Fix XDRBUF_SPARSE_PAGES support 2020-12-30 11:54:15 +01:00
samples samples/bpf: Fix possible hang in xdpsock with multiple threads 2020-12-30 11:53:49 +01:00
scripts kconfig: fix return value of do_error_if() 2020-12-30 11:54:01 +01:00
security ima: Don't modify file descriptor mode on the fly 2020-12-30 11:54:17 +01:00
sound ASoC: AMD Raven/Renoir - fix the PCI probe (PCI revision) 2020-12-30 11:54:09 +01:00
tools perf probe: Fix memory leak when synthesizing SDT probes 2020-12-30 11:54:02 +01:00
usr Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 13:29:39 -07:00
virt kvm: x86/mmu: Support dirty logging for the TDP MMU 2020-10-23 03:42:13 -04:00
.clang-format RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore .gitignore: docs: ignore sphinx_*/ directories 2020-09-10 10:44:31 -06:00
.mailmap mailmap: add two more addresses of Uwe Kleine-König 2020-12-06 10:19:07 -08:00
COPYING
CREDITS MAINTAINERS: Move Jason Cooper to CREDITS 2020-11-30 10:20:34 +01:00
Kbuild
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-12-10 15:30:13 -08:00
Makefile Linux 5.10.3 2020-12-26 16:02:46 +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.

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.