of: unittest: fix null pointer dereferencing in of_unittest_find_node_by_name()

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[ Upstream commit d6ce4f0ea1 ]

when kmalloc() fail to allocate memory in kasprintf(), name
or full_name will be NULL, strcmp() will cause
null pointer dereference.

Fixes: 0d638a07d3 ("of: Convert to using %pOF instead of full_name")
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20230727080246.519539-1-ruanjinjie@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Ruan Jinjie 2023-07-27 16:02:46 +08:00 • committed by Greg Kroah-Hartman

parent 39f5dc484e

commit c74ae8124f

1 changed files with 6 additions and 4 deletions

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drivers/of/unittest.c

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