powerpc/powernv: Add a null pointer check to scom_debug_init_one()
authorKunwu Chan <chentao@kylinos.cn>
Fri, 8 Dec 2023 08:59:37 +0000 (16:59 +0800)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 13 Dec 2023 11:18:59 +0000 (22:18 +1100)
commit9a260f2dd827bbc82cc60eb4f4d8c22707d80742
treeb22d0581a7742ea36cdbd958912d83b033f7b70f
parentf46c8a75263f97bda13c739ba1c90aced0d3b071
powerpc/powernv: Add a null pointer check to scom_debug_init_one()

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: bfd2f0d49aef ("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
arch/powerpc/platforms/powernv/opal-xscom.c