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Sandipan Das c540db17e4 perf/x86/amd/uncore: Fix the return value of amd_uncore_df_event_init() on error 
commit 0143928651 upstream.

If amd_uncore_event_init() fails, return an error irrespective of the
pmu_version. Setting hwc->config should be safe even if there is an
error so use this opportunity to simplify the code.

Closes: https://lore.kernel.org/all/aTaI0ci3vZ44lmBn@stanley.mountain/

Fixes: d6389d3ccc ("perf/x86/amd/uncore: Refactor uncore management")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/076935e23a70335d33bd6e23308b75ae0ad35ba2.1765268667.git.sandipan.das@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-01-08 10:17:01 +01:00
..
amd perf/x86/amd/uncore: Fix the return value of amd_uncore_df_event_init() on error 2026-01-08 10:17:01 +01:00
intel perf/x86/intel: Fix NULL event dereference crash in handle_pmi_common() 2025-12-18 14:03:41 +01:00
zhaoxin Core x86 updates for v6.16: 2025-05-26 16:04:17 -07:00
core.c perf/x86: Fix NULL event access and potential PEBS record loss 2025-12-18 14:02:52 +01:00
Kconfig perf/x86/Kconfig: Fix indentation in the Kconfig file 2022-05-25 15:54:26 +02:00
Makefile perf/x86: Move branch classifier 2022-08-27 00:05:44 +02:00
msr.c x86/msr: Add explicit includes of <asm/msr.h> 2025-05-02 10:23:47 +02:00
perf_event.h Core x86 updates for v6.16: 2025-05-26 16:04:17 -07:00
perf_event_flags.h perf: Extend the bit width of the arch-specific flag 2025-04-08 20:55:49 +02:00
probe.c x86/msr: Add explicit includes of <asm/msr.h> 2025-05-02 10:23:47 +02:00
probe.h perf/x86/rapl: Add msr mask support 2021-02-10 14:44:54 +01:00
rapl.c x86/msr: Add explicit includes of <asm/msr.h> 2025-05-02 10:23:47 +02:00
utils.c x86/msr: Add explicit includes of <asm/msr.h> 2025-05-02 10:23:47 +02:00