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If regulator_get() in of_regulator_bulk_get_all() returns an error, that
error gets overridden and -EINVAL is always passed out. This masks probe
deferral requests and likely won't work properly in all cases.

Fix this by letting of_regulator_bulk_get_all() return the original
error code.

Fixes: 27b9ecc7

 ("regulator: Add of_regulator_bulk_get_all")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://patch.msgid.link/20240822072047.3097740-3-wenst@chromium.org

Signed-off-by: Mark Brown <broonie@kernel.org>