From: Kangjie Lu kjlu@umn.edu
[ Upstream commit cd07e3701fa6a4c68f8493ee1d12caa18d46ec6a ]
tps65910_reg_set_bits() may fail. The fix checks if it fails, and if so, returns with its error code.
Signed-off-by: Kangjie Lu kjlu@umn.edu Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/regulator/tps65910-regulator.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c index 02ccdaa226a73..5ebb6ee73f077 100644 --- a/drivers/regulator/tps65910-regulator.c +++ b/drivers/regulator/tps65910-regulator.c @@ -1102,8 +1102,10 @@ static int tps65910_probe(struct platform_device *pdev) platform_set_drvdata(pdev, pmic);
/* Give control of all register to control port */ - tps65910_reg_set_bits(pmic->mfd, TPS65910_DEVCTRL, + err = tps65910_reg_set_bits(pmic->mfd, TPS65910_DEVCTRL, DEVCTRL_SR_CTL_I2C_SEL_MASK); + if (err < 0) + return err;
switch (tps65910_chip_id(tps65910)) { case TPS65910: