Qiheng Lin 1699fb915b powerpc/pseries: Fix potential memleak in papr_get_attr()
[ Upstream commit cda9c0d556283e2d4adaa9960b2dc19b16156bae ]

`buf` is allocated in papr_get_attr(), and krealloc() of `buf`
could fail. We need to free the original `buf` in the case of failure.

Fixes: 3c14b73454cf ("powerpc/pseries: Interface to represent PAPR firmware attributes")
Signed-off-by: Qiheng Lin <linqiheng@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20221208133449.16284-1-linqiheng@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-26 18:19:54 -04:00
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2024-02-16 19:10:52 +01:00
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