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(parent: fe40ffd) | patch
arm_pmu: acpi: handle allocation failure
authorMark Rutland <mark.rutland@arm.com>
Tue, 8 Nov 2022 09:37:25 +0000 (09:37 +0000)
committerWill Deacon <will@kernel.org>
Tue, 8 Nov 2022 12:42:46 +0000 (12:42 +0000)
commita8731264e5ce083eb761e5a6a8273db536743e9e
treea83dc14a13eb941769f057aad54c973ca60d29fatree | snapshot
parentfe40ffdb7656d1f9c42dd402740765ff8b418b17commit | diff
arm_pmu: acpi: handle allocation failure

One of the failure paths in the arm_pmu ACPI code is missing an early
return, permitting a NULL pointer dereference upon a memory allocation
failure.

Add the missing return.

Fixes: fe40ffdb7656 ("arm_pmu: rework ACPI probing")
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20221108093725.1239563-1-mark.rutland@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
drivers/perf/arm_pmu_acpi.c diff | blob | history
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