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Chao Yu b59194c7ca f2fs: fix to avoid accessing invalid fio in f2fs_allocate_data_block() ...

[ Upstream commit 25ae837e61 ]

Callers may pass fio parameter with NULL value to f2fs_allocate_data_block(),
so we should make sure accessing fio's field after fio's validation check.

Fixes: f608c38c59 ("f2fs: clean up parameter of f2fs_allocate_data_block()")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2021-05-19 10:13:02 +02:00

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