regulator: da9063: fix null pointer deref with partial DT config

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When some of the da9063 regulators do not have corresponding DT nodes
a null pointer dereference occurs on boot because such regulators have
no init_data causing the pointers calculated in
da9063_check_xvp_constraints() to be invalid.

Do not dereference them in this case.

Fixes: b8717a80e6 ("regulator: da9063: implement setter for voltage monitoring")
Signed-off-by: Martin Fuzzey <martin.fuzzey@flowbird.group>
Link: https://lore.kernel.org/r/20230616143736.2946173-1-martin.fuzzey@flowbird.group
Signed-off-by: Mark Brown <broonie@kernel.org>

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Martin Fuzzey 2023-06-16 16:36:28 +02:00 • committed by Mark Brown

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commit 98e2dd5f7a

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drivers/regulator/da9063-regulator.c

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