s390/cio/cmf: 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/cmf code.

Signed-off-by: Mete Durlu <meted@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/cmf.c b/drivers/s390/cio/cmf.c
index 314d53d365d1a4dafb7e490e5aa98e2d3ffeff86..fdab760f1f28f6204da405ad6780937e6ec743a4 100644 (file)
--- a/drivers/s390/cio/cmf.c
+++ b/drivers/s390/cio/cmf.c
@@ -977,8 +977,7 @@ static struct cmb_operations cmbops_extended = {
 
 static ssize_t cmb_show_attr(struct device *dev, char *buf, enum cmb_index idx)
 {
-       return sprintf(buf, "%lld\n",
-               (unsigned long long) cmf_read(to_ccwdev(dev), idx));
+       return sysfs_emit(buf, "%lld\n", cmf_read(to_ccwdev(dev), idx));
 }
 
 static ssize_t cmb_show_avg_sample_interval(struct device *dev,
@@ -998,7 +997,7 @@ static ssize_t cmb_show_avg_sample_interval(struct device *dev,
        } else
                interval = -1;
        spin_unlock_irq(cdev->ccwlock);
-       return sprintf(buf, "%ld\n", interval);
+       return sysfs_emit(buf, "%ld\n", interval);
 }
 
 static ssize_t cmb_show_avg_utilization(struct device *dev,
@@ -1007,7 +1006,7 @@ static ssize_t cmb_show_avg_utilization(struct device *dev,
 {
        unsigned long u = cmf_read(to_ccwdev(dev), avg_utilization);
 
-       return sprintf(buf, "%02lu.%01lu%%\n", u / 10, u % 10);
+       return sysfs_emit(buf, "%02lu.%01lu%%\n", u / 10, u % 10);
 }
 
 #define cmf_attr(name) \
@@ -1080,7 +1079,7 @@ static ssize_t cmb_enable_show(struct device *dev,
 {
        struct ccw_device *cdev = to_ccwdev(dev);
 
-       return sprintf(buf, "%d\n", cmf_enabled(cdev));
+       return sysfs_emit(buf, "%d\n", cmf_enabled(cdev));
 }
 
 static ssize_t cmb_enable_store(struct device *dev,