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dmaengine: use sysfs_emit() to instead of scnprintf()

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Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230130111141.59627-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Andy Shevchenko 2023-01-30 13:11:41 +02:00 committed by Vinod Koul
parent 8b5443102c
commit 40e171c2d3
1 changed files with 3 additions and 3 deletions
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6
drivers/dma/dmaengine.c
View file

@ -172,7 +172,7 @@ static ssize_t memcpy_count_show(struct device *dev,
if (chan) {
for_each_possible_cpu(i)
count += per_cpu_ptr(chan->local, i)->memcpy_count;
err = sprintf(buf, "%lu\n", count);
err = sysfs_emit(buf, "%lu\n", count);
} else
err = -ENODEV;
mutex_unlock(&dma_list_mutex);
@ -194,7 +194,7 @@ static ssize_t bytes_transferred_show(struct device *dev,
if (chan) {
for_each_possible_cpu(i)
count += per_cpu_ptr(chan->local, i)->bytes_transferred;
err = sprintf(buf, "%lu\n", count);
err = sysfs_emit(buf, "%lu\n", count);
} else
err = -ENODEV;
mutex_unlock(&dma_list_mutex);
@ -212,7 +212,7 @@ static ssize_t in_use_show(struct device *dev, struct device_attribute *attr,
mutex_lock(&dma_list_mutex);
chan = dev_to_dma_chan(dev);
if (chan)
err = sprintf(buf, "%d\n", chan->client_count);
err = sysfs_emit(buf, "%d\n", chan->client_count);
else
err = -ENODEV;
mutex_unlock(&dma_list_mutex);