We need to check for negative values before doing the swab16() for the
error handling to work.
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
diff --git a/drivers/power/ds2782_battery.c b/drivers/power/ds2782_battery.c
index 6bb6e2f..2fa9b6b 100644
--- a/drivers/power/ds2782_battery.c
+++ b/drivers/power/ds2782_battery.c
@@ -80,13 +80,13 @@ static inline int ds278x_read_reg16(struct ds278x_info
*info, int reg_msb,
{
int ret;
- ret = swab16(i2c_smbus_read_word_data(info->client, reg_msb));
+ ret = i2c_smbus_read_word_data(info->client, reg_msb);
if (ret < 0) {
dev_err(&info->client->dev, "register read failed\n");
return ret;
}
- *val = ret;
+ *val = swab16(ret);
return 0;
}
--
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