This patch adds error checking to the nvec_power_poll function, which
allows for easier debugging if the driver has issues.
Signed-off-by: Thomas Avery <tavery321@xxxxxxxxx>
---
drivers/staging/nvec/nvec_power.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/nvec/nvec_power.c b/drivers/staging/nvec/nvec_power.c
index 0e861c4bfcbf..c82679ae0563 100644
--- a/drivers/staging/nvec/nvec_power.c
+++ b/drivers/staging/nvec/nvec_power.c
@@ -347,6 +347,7 @@ static int const bat_iter[] = {
static void nvec_power_poll(struct work_struct *work)
{
+ int err;
char buf[] = { NVEC_SYS, GET_SYSTEM_STATUS };
struct nvec_power *power = container_of(work, struct nvec_power,
poller.work);
@@ -355,7 +356,10 @@ static void nvec_power_poll(struct work_struct *work)
counter = 0;
/* AC status via sys req */
- nvec_write_async(power->nvec, buf, 2);
+ err = nvec_write_async(power->nvec, buf, 2);
+ if (err != 0)
+ return err;
+
msleep(100);
/*
--
2.11.0
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