diff options
Diffstat (limited to 'drivers/hwtracing/intel_th/pti.c')
| -rw-r--r-- | drivers/hwtracing/intel_th/pti.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/hwtracing/intel_th/pti.c b/drivers/hwtracing/intel_th/pti.c index 56694339cb06..09132ab8bc23 100644 --- a/drivers/hwtracing/intel_th/pti.c +++ b/drivers/hwtracing/intel_th/pti.c @@ -142,7 +142,7 @@ static struct attribute *pti_output_attrs[] = { NULL, }; -static struct attribute_group pti_output_group = { +static const struct attribute_group pti_output_group = { .attrs = pti_output_attrs, }; @@ -272,19 +272,17 @@ static ssize_t lpp_dest_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { struct pti_device *pti = dev_get_drvdata(dev); - ssize_t ret = -EINVAL; int i; - for (i = 0; i < ARRAY_SIZE(lpp_dest_str); i++) - if (sysfs_streq(buf, lpp_dest_str[i])) - break; + i = sysfs_match_string(lpp_dest_str, buf); + if (i < 0) + return i; - if (i < ARRAY_SIZE(lpp_dest_str) && pti->lpp_dest_mask & BIT(i)) { - pti->lpp_dest = i; - ret = size; - } + if (!(pti->lpp_dest_mask & BIT(i))) + return -EINVAL; - return ret; + pti->lpp_dest = i; + return size; } static DEVICE_ATTR_RW(lpp_dest); @@ -297,7 +295,7 @@ static struct attribute *lpp_output_attrs[] = { NULL, }; -static struct attribute_group lpp_output_group = { +static const struct attribute_group lpp_output_group = { .attrs = lpp_output_attrs, }; |