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authorTom Rix <trix@redhat.com>2021-05-07 22:18:19 +0300
committerJiri Kosina <jkosina@suse.cz>2021-05-27 16:40:34 +0300
commit81c8bf9170477d453b24a6bc3300d201d641e645 (patch)
treee660ef31d1c8ca2210d3b79ca53c5cff31feb25b /drivers/hid
parent31a4cf1d223dc6144d2e7c679cc3a98f84a1607b (diff)
downloadlinux-81c8bf9170477d453b24a6bc3300d201d641e645.tar.xz
HID: logitech-hidpp: initialize level variable
Static analysis reports this representative problem hid-logitech-hidpp.c:1356:23: warning: Assigned value is garbage or undefined hidpp->battery.level = level; ^ ~~~~~ In some cases, 'level' is never set in hidpp20_battery_map_status_voltage() Since level is not available on all hw, initialize level to unknown. Fixes: be281368f297 ("hid-logitech-hidpp: read battery voltage from newer devices") Signed-off-by: Tom Rix <trix@redhat.com> Reviewed-by: Filipe LaĆ­ns <lains@riseup.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/hid-logitech-hidpp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index d598094dadd0..fee4e54a3ce0 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -1263,6 +1263,7 @@ static int hidpp20_battery_map_status_voltage(u8 data[3], int *voltage,
int status;
long flags = (long) data[2];
+ *level = POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN;
if (flags & 0x80)
switch (flags & 0x07) {