s390/cio/device: Switch over to sysfs_emit()

Per Documentation/filesystems/sysfs.rst, sysfs_emit() is preferred for
presenting attributes to user space in sysfs. Convert the left-over uses
in the cio/device code.

Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Acked-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Tested-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 9498825d9c7a5cb7ebfcf6e09973a1e6e405f187..fb2c07cb4d3dd3b51361d4441d60cb6066393386 100644 (file)
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -201,10 +201,9 @@ devtype_show (struct device *dev, struct device_attribute *attr, char *buf)
        struct ccw_device_id *id = &(cdev->id);
 
        if (id->dev_type != 0)
-               return sprintf(buf, "%04x/%02x\n",
-                               id->dev_type, id->dev_model);
+               return sysfs_emit(buf, "%04x/%02x\n", id->dev_type, id->dev_model);
        else
-               return sprintf(buf, "n/a\n");
+               return sysfs_emit(buf, "n/a\n");
 }
 
 static ssize_t
@@ -213,8 +212,7 @@ cutype_show (struct device *dev, struct device_attribute *attr, char *buf)
        struct ccw_device *cdev = to_ccwdev(dev);
        struct ccw_device_id *id = &(cdev->id);
 
-       return sprintf(buf, "%04x/%02x\n",
-                      id->cu_type, id->cu_model);
+       return sysfs_emit(buf, "%04x/%02x\n", id->cu_type, id->cu_model);
 }
 
 static ssize_t
@@ -234,7 +232,7 @@ online_show (struct device *dev, struct device_attribute *attr, char *buf)
 {
        struct ccw_device *cdev = to_ccwdev(dev);
 
-       return sprintf(buf, cdev->online ? "1\n" : "0\n");
+       return sysfs_emit(buf, cdev->online ? "1\n" : "0\n");
 }
 
 int ccw_device_is_orphan(struct ccw_device *cdev)
@@ -546,21 +544,21 @@ available_show (struct device *dev, struct device_attribute *attr, char *buf)
        struct subchannel *sch;
 
        if (ccw_device_is_orphan(cdev))
-               return sprintf(buf, "no device\n");
+               return sysfs_emit(buf, "no device\n");
        switch (cdev->private->state) {
        case DEV_STATE_BOXED:
-               return sprintf(buf, "boxed\n");
+               return sysfs_emit(buf, "boxed\n");
        case DEV_STATE_DISCONNECTED:
        case DEV_STATE_DISCONNECTED_SENSE_ID:
        case DEV_STATE_NOT_OPER:
                sch = to_subchannel(dev->parent);
                if (!sch->lpm)
-                       return sprintf(buf, "no path\n");
+                       return sysfs_emit(buf, "no path\n");
                else
-                       return sprintf(buf, "no device\n");
+                       return sysfs_emit(buf, "no device\n");
        default:
                /* All other states considered fine. */
-               return sprintf(buf, "good\n");
+               return sysfs_emit(buf, "good\n");
        }
 }
 
@@ -587,7 +585,7 @@ static ssize_t vpm_show(struct device *dev, struct device_attribute *attr,
 {
        struct subchannel *sch = to_subchannel(dev);
 
-       return sprintf(buf, "%02x\n", sch->vpm);
+       return sysfs_emit(buf, "%02x\n", sch->vpm);
 }
 
 static DEVICE_ATTR_RO(devtype);