regulator: core: have regulator_dev_lookup() return ERR_PTR-encoded errors

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Instead of returning both regulator_dev structure as return value and
auxiliary error code in 'ret' argument, let's switch to using ERR_PTR
encoded values. This makes it more obvious what is going on at call sites.

Also, let's not unlock the mutex in the middle of a loop, but rather break
out and have single unlock path.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Dmitry Torokhov 2017-02-04 10:19:21 -08:00 • committed by Mark Brown

parent d1642ea717

commit 163478dae0

1 changed files with 23 additions and 19 deletions

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drivers/regulator/core.c

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