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Mark Salter e3296e4a31 drivers/perf: thunderx2_pmu: Fix memory resource error handling 
[ Upstream commit 688494a407d1419a6b158c644b262c61cde39f48 ]

In tx2_uncore_pmu_init_dev(), a call to acpi_dev_get_resources() is used
to create a list _CRS resources which is searched for the device base
address. There is an error check following this:

   if (!rentry->res)
           return NULL

In no case, will rentry->res be NULL, so the test is useless. Even
if the test worked, it comes before the resource list memory is
freed. None of this really matters as long as the ACPI table has
the memory resource. Let's clean it up so that it makes sense and
will give a meaningful error should firmware leave out the memory
resource.

Fixes: 69c32972d593 ("drivers/perf: Add Cavium ThunderX2 SoC UNCORE PMU driver")
Signed-off-by: Mark Salter <msalter@redhat.com>
Link: https://lore.kernel.org/r/20200915204110.326138-2-msalter@redhat.com
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-03-16 16:38:23 +08:00
Documentation x86/fpu: Allow multiple bits in clearcpuid= parameter 2021-03-16 16:38:22 +08:00
LICENSES Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
arch x86/fpu: Allow multiple bits in clearcpuid= parameter 2021-03-16 16:38:22 +08:00
block block/diskstats: more accurate approximation of io_ticks for slow disks 2021-03-16 16:37:50 +08:00
certs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
crypto crypto: algif_aead - Do not set MAY_BACKLOG on the async path 2021-03-16 16:38:21 +08:00
drivers drivers/perf: thunderx2_pmu: Fix memory resource error handling 2021-03-16 16:38:23 +08:00
fs SMB3: Resolve data corruption of TCP server info fields 2021-03-16 16:38:20 +08:00
include ALSA: hda: fix jack detection with Realtek codecs when in D3 2021-03-16 16:38:15 +08:00
init kprobes: tracing/kprobes: Fix to kill kprobes on initmem after boot 2021-03-16 16:37:39 +08:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2021-03-16 16:27:51 +08:00
kernel perf: Fix task_function_call() error handling 2021-03-16 16:38:05 +08:00
lib Fonts: Support FONT_EXTRA_WORDS macros for built-in fonts 2021-03-16 16:37:52 +08:00
mm mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged 2021-03-16 16:38:06 +08:00
net icmp: randomize the global rate limiter 2021-03-16 16:38:19 +08:00
package config/arm64: OPEN CONFIG_PSI and phytium configs 2021-03-16 11:02:59 +08:00
samples bpf: Fix fds_example SIGSEGV error 2021-03-16 16:33:24 +08:00
scripts scripts/dtc: only append to HOST_EXTRACFLAGS instead of overwriting 2021-03-16 16:37:50 +08:00
security ima: Don't ignore errors from crypto_shash_update() 2021-03-16 16:38:21 +08:00
sound ALSA: hda/realtek: Enable audio jacks of ASUS D700SA with ALC887 2021-03-16 16:38:19 +08:00
tools selftests: rtnetlink: load fou module for kci_test_encap_fou() test 2021-03-16 16:38:18 +08:00
usr Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
virt KVM: arm64: Assume write fault on S1PTW permission fault on instruction fetch 2021-03-16 16:37:40 +08:00
.clang-format Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.cocciconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.get_maintainer.ignore Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.gitattributes Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.gitignore Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
COPYING Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
CREDITS Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kbuild Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
MAINTAINERS Documentation/llvm: add documentation on building w/ Clang/LLVM 2021-03-16 16:34:24 +08:00
Makefile kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables 2021-03-16 16:35:20 +08:00
README Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
README.md Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
backport_remove_lists.txt Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tools_key.pub Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00

README.md

Tencent Linux Kernel 4.0