diff options
| author | Guangqing Zhu <zhuguangqing83@gmail.com> | 2021-04-21 22:36:50 +0800 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2021-04-21 23:06:14 +0200 |
| commit | d0a43c12ee9f57ddb284272187bd18726c2c2c98 (patch) | |
| tree | 1d6c5f2f1f65264d8327d6099249491e21b4de3a | |
| parent | 43d8766372f49a2f40339e4e95abaa63bcc10905 (diff) | |
power: supply: cpcap-battery: fix invalid usage of list cursor
Fix invalid usage of a list_for_each_entry in cpcap_battery_irq_thread().
Empty list or fully traversed list points to list head, which is not
NULL (and before the first element containing real data).
Signed-off-by: Guangqing Zhu <zhuguangqing83@gmail.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Carl Philipp Klemm <philipp@uvos.xyz>
Tested-by: Carl Philipp Klemm <philipp@uvos.xyz>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
| -rw-r--r-- | drivers/power/supply/cpcap-battery.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/power/supply/cpcap-battery.c b/drivers/power/supply/cpcap-battery.c index 6d5bcdb9f45d..a3fc0084cda0 100644 --- a/drivers/power/supply/cpcap-battery.c +++ b/drivers/power/supply/cpcap-battery.c @@ -786,7 +786,7 @@ static irqreturn_t cpcap_battery_irq_thread(int irq, void *data) break; } - if (!d) + if (list_entry_is_head(d, &ddata->irq_list, node)) return IRQ_NONE; latest = cpcap_battery_latest(ddata); |