[PATCH 5.4 195/434] regulator: core: Release coupled_rdevs on regulator_init_coupling() error

From: Dmitry Osipenko digetx@gmail.com

[ Upstream commit 26c2c997aa1a6c5522f6619910ba025e53e69763 ]

This patch fixes memory leak which should happen if regulator's coupling fails to initialize.

Fixes: d8ca7d184b33 ("regulator: core: Introduce API for regulators coupling customization") Signed-off-by: Dmitry Osipenko digetx@gmail.com Link: https://lore.kernel.org/r/20191025002240.25288-1-digetx@gmail.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/regulator/core.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index a46be221dbdc..51ce280c1ce1 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -5198,6 +5198,7 @@ unset_supplies: regulator_remove_coupling(rdev); mutex_unlock(&regulator_list_mutex); wash: + kfree(rdev->coupling_desc.coupled_rdevs); kfree(rdev->constraints); mutex_lock(&regulator_list_mutex); regulator_ena_gpio_free(rdev);