powerpc/imc-pmu: Add a null pointer check in update_events_in_group()

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kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure.

Fixes: 885dcd709b ("powerpc/perf: Add nest IMC PMU support")
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231126093719.1440305-1-chentao@kylinos.cn

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Kunwu Chan 2023-11-26 17:37:19 +08:00 • committed by Michael Ellerman

parent e123015c0b

commit 0a233867a3

1 changed files with 6 additions and 0 deletions

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arch/powerpc/perf/imc-pmu.c

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