powerpc/powernv: Add a null pointer check to scom_debug_init_one()

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[ Upstream commit 9a260f2dd8 ]

kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure.
Add a null pointer check, and release 'ent' to avoid memory leaks.

Fixes: bfd2f0d49a ("powerpc/powernv: Get rid of old scom_controller abstraction")
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231208085937.107210-1-chentao@kylinos.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Kunwu Chan 2023-12-08 16:59:37 +08:00 • committed by Greg Kroah-Hartman

parent 3bbe74e896

commit a9c05cbb66

1 changed files with 5 additions and 0 deletions

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arch/powerpc/platforms/powernv/opal-xscom.c

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