Zhe Weng
44a04733d4
mm/iob: Don't return NULL in iob_pack
...
We don't want to get a NULL pointer after iob_pack on an IOB chain with
several iobs with length 0, it should return one IOB with length 0.
Otherwise each place calls iob_pack needs to check the result.
Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
2023-04-22 19:26:22 +08:00
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