Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 069/125] regulator: tps65910: fix a missing check of return value | Date | Wed, 4 Dec 2019 18:56:14 +0100 |
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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 696116ebdf50a..9cde7b0757011 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: -- 2.20.1
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