6.18-stable review patch. If anyone has any objections, please let me know.
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From: Ivan Abramov i.abramov@mt-integration.ru
[ Upstream commit 8b27fe2d8d2380118c343629175385ff587e2fe4 ]
The return value of rt9467_set_value_from_ranges() when setting AICL VTH is not checked, even though it may fail.
Log error and return from rt9467_run_aicl() on fail.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 6f7f70e3a8dd ("power: supply: rt9467: Add Richtek RT9467 charger driver") Signed-off-by: Ivan Abramov i.abramov@mt-integration.ru Link: https://patch.msgid.link/20251009144725.562278-1-i.abramov@mt-integration.ru Signed-off-by: Sebastian Reichel sebastian.reichel@collabora.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/power/supply/rt9467-charger.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/power/supply/rt9467-charger.c b/drivers/power/supply/rt9467-charger.c index fe773dd8b404f..b4917514bd701 100644 --- a/drivers/power/supply/rt9467-charger.c +++ b/drivers/power/supply/rt9467-charger.c @@ -588,6 +588,10 @@ static int rt9467_run_aicl(struct rt9467_chg_data *data) aicl_vth = mivr_vth + RT9467_AICLVTH_GAP_uV; ret = rt9467_set_value_from_ranges(data, F_AICL_VTH, RT9467_RANGE_AICL_VTH, aicl_vth); + if (ret) { + dev_err(data->dev, "Failed to set AICL VTH\n"); + return ret; + }
/* Trigger AICL function */ ret = regmap_field_write(data->rm_field[F_AICL_MEAS], 1);