diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2018-05-04 22:19:25 +0300 |
|---|---|---|
| committer | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2019-02-21 15:04:36 +0200 |
| commit | 1d2ef028bf9a9272c658782d9c75f60658770ba4 (patch) | |
| tree | 39633d1fbee82c9877549b0f64d3db34c49b4ef6 /drivers/hwtracing | |
| parent | ba828cc9dcc8ffefd0d17165be9b132bd5232063 (diff) | |
| download | linux-1d2ef028bf9a9272c658782d9c75f60658770ba4.tar.gz | |
intel_th: pti: Use sysfs_match_string() helper
Use sysfs_match_string() helper instead of open coded variant.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/intel_th/pti.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/hwtracing/intel_th/pti.c b/drivers/hwtracing/intel_th/pti.c index 56694339cb06..0da6b787f553 100644 --- a/drivers/hwtracing/intel_th/pti.c +++ b/drivers/hwtracing/intel_th/pti.c @@ -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); |