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Commit 1d2ef028 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Alexander Shishkin
Browse files

intel_th: pti: Use sysfs_match_string() helper 



Use sysfs_match_string() helper instead of open coded variant.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarAlexander Shishkin <alexander.shishkin@linux.intel.com>
parent ba828cc9

drivers/hwtracing/intel_th/pti.c

+7 −9
Original line number Diff line number Diff line
@@ -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);