From: Michał Mirosław <mirq-li...@rere.qmqm.pl>

[ Upstream commit a577f3456c0a2fac3dee037c483753e6e68f3e49 ]

The code modifies rdev, but locks c_rdev instead. Remove the lock
as this is held together by regulator_list_mutex taken in the caller.

Fixes: f9503385b187 ("regulator: core: Mutually resolve regulators coupling")
Signed-off-by: Michał Mirosław <mirq-li...@rere.qmqm.pl>
Reviewed-by: Dmitry Osipenko <dig...@gmail.com>
Link: 
https://lore.kernel.org/r/25eb81cefb37a646f3e44eaaf1d8ae8881cfde52.1597195321.git.mirq-li...@rere.qmqm.pl
Signed-off-by: Mark Brown <broo...@kernel.org>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/regulator/core.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 19826641881bb..c457fa3b8c3e6 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -4868,13 +4868,9 @@ static void regulator_resolve_coupling(struct 
regulator_dev *rdev)
                        return;
                }
 
-               regulator_lock(c_rdev);
-
                c_desc->coupled_rdevs[i] = c_rdev;
                c_desc->n_resolved++;
 
-               regulator_unlock(c_rdev);
-
                regulator_resolve_coupling(c_rdev);
        }
 }
-- 
2.25.1



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