diff mbox series

[v2,3/9] pktcdvd: use sysfs_emit() to instead of scnprintf()

Message ID 20230310164549.22133-4-andriy.shevchenko@linux.intel.com
State New
Headers
Series pktdvd: Clean up the driver |

Commit Message

Andy Shevchenko March 10, 2023, 4:45 p.m. UTC 
  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>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/block/pktcdvd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index ad4336ae9927..98a5c388eabf 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -339,7 +339,7 @@  static ssize_t device_map_show(struct class *c, struct class_attribute *attr,
 		struct pktcdvd_device *pd = pkt_devs[idx];
 		if (!pd)
 			continue;
-		n += sprintf(data+n, "%s %u:%u %u:%u\n",
+		n += sysfs_emit_at(data, n, "%s %u:%u %u:%u\n",
 			pd->disk->disk_name,
 			MAJOR(pd->pkt_dev), MINOR(pd->pkt_dev),
 			MAJOR(pd->bdev->bd_dev),