power: ip5xxx_power: Fix uninitialized variable read

The check for whether a charger supports the requested
battery voltage was incorrectly added to the
`ip5xxx_battery_get_voltage_max()` function, instead of
`set_voltage_max()`. This commit fixes it.

Reported-by: Kees Bakker <kees@ijzerbout.nl>
Closes: https://lore.kernel.org/linux-kernel/b547c228-df70-4137-9e96-175923f62404@ijzerbout.nl/
Fixes: 8584bc5df5 ("power: ip5xxx_power: Allow for more parameters to be configured")
Signed-off-by: Bence Csókás <csokas.bence@prolan.hu>
Link: https://lore.kernel.org/r/20241208131532.1028581-1-csokas.bence@prolan.hu
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Bence Csókás 2024-12-08 14:15:31 +01:00 committed by Sebastian Reichel
parent 88e4a7dc04
commit 94ba531bf9

View File

@ -367,9 +367,6 @@ static int ip5xxx_battery_get_voltage_max(struct ip5xxx *ip5xxx, int *val)
if (ret)
return ret;
if (*val > ip5xxx->vbat_max)
return -EINVAL;
/*
* It is not clear what this will return if
* IP5XXX_CHG_CTL4_BAT_TYPE_SEL_EN is not set...
@ -504,6 +501,9 @@ static int ip5xxx_battery_set_voltage_max(struct ip5xxx *ip5xxx, int val)
unsigned int rval;
int ret;
if (val > ip5xxx->vbat_max)
return -EINVAL;
switch (val) {
case 4200000:
rval = IP5XXX_BAT_TYPE_4_2V;