bpf: Extract nullable reg type conversion into a helper function

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Extract conversion from a register's nullable type to a type with a
value. The helper will be used in mark_ptr_not_null_reg().

Signed-off-by: Dmitrii Banshchikov <me@ubique.spb.ru>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210212205642.620788-3-me@ubique.spb.ru

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Dmitrii Banshchikov 2021-02-13 00:56:40 +04:00 • committed by Alexei Starovoitov

parent feb4adfad5

commit 4ddb74165a

1 changed files with 52 additions and 31 deletions

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kernel/bpf/verifier.c

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