s390/dasd: Use sysfs_emit() over sprintf()

sysfs_emit() should be used in show() functions. There are still a
couple of functions that use sprintf().
Replace outstanding occurrences of sprintf() in all show() functions
with sysfs_emit().

Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Link: https://lore.kernel.org/r/20240208164248.540985-3-sth@linux.ibm.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 6297dfe..8a01afb 100644 (file)
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -1114,7 +1114,7 @@ dasd_use_diag_show(struct device *dev, struct device_attribute *attr, char *buf)
                use_diag = (devmap->features & DASD_FEATURE_USEDIAG) != 0;
        else
                use_diag = (DASD_FEATURE_DEFAULT & DASD_FEATURE_USEDIAG) != 0;
-       return sprintf(buf, use_diag ? "1\n" : "0\n");
+       return sysfs_emit(buf, use_diag ? "1\n" : "0\n");
 }
 
 static ssize_t
@@ -1163,7 +1163,7 @@ dasd_use_raw_show(struct device *dev, struct device_attribute *attr, char *buf)
                use_raw = (devmap->features & DASD_FEATURE_USERAW) != 0;
        else
                use_raw = (DASD_FEATURE_DEFAULT & DASD_FEATURE_USERAW) != 0;
-       return sprintf(buf, use_raw ? "1\n" : "0\n");
+       return sysfs_emit(buf, use_raw ? "1\n" : "0\n");
 }
 
 static ssize_t
@@ -1259,7 +1259,7 @@ dasd_access_show(struct device *dev, struct device_attribute *attr,
        if (count < 0)
                return count;
 
-       return sprintf(buf, "%d\n", count);
+       return sysfs_emit(buf, "%d\n", count);
 }
 
 static DEVICE_ATTR(host_access_count, 0444, dasd_access_show, NULL);
@@ -1338,19 +1338,19 @@ static ssize_t dasd_alias_show(struct device *dev,
 
        device = dasd_device_from_cdev(to_ccwdev(dev));
        if (IS_ERR(device))
-               return sprintf(buf, "0\n");
+               return sysfs_emit(buf, "0\n");
 
        if (device->discipline && device->discipline->get_uid &&
            !device->discipline->get_uid(device, &uid)) {
                if (uid.type == UA_BASE_PAV_ALIAS ||
                    uid.type == UA_HYPER_PAV_ALIAS) {
                        dasd_put_device(device);
-                       return sprintf(buf, "1\n");
+                       return sysfs_emit(buf, "1\n");
                }
        }
        dasd_put_device(device);
 
-       return sprintf(buf, "0\n");
+       return sysfs_emit(buf, "0\n");
 }
 
 static DEVICE_ATTR(alias, 0444, dasd_alias_show, NULL);
@@ -1856,7 +1856,7 @@ static ssize_t dasd_pm_show(struct device *dev,
 
        device = dasd_device_from_cdev(to_ccwdev(dev));
        if (IS_ERR(device))
-               return sprintf(buf, "0\n");
+               return sysfs_emit(buf, "0\n");
 
        opm = dasd_path_get_opm(device);
        nppm = dasd_path_get_nppm(device);
@@ -1866,8 +1866,8 @@ static ssize_t dasd_pm_show(struct device *dev,
        ifccpm = dasd_path_get_ifccpm(device);
        dasd_put_device(device);
 
-       return sprintf(buf, "%02x %02x %02x %02x %02x %02x\n", opm, nppm,
-                      cablepm, cuirpm, hpfpm, ifccpm);
+       return sysfs_emit(buf, "%02x %02x %02x %02x %02x %02x\n", opm, nppm,
+                         cablepm, cuirpm, hpfpm, ifccpm);
 }
 
 static DEVICE_ATTR(path_masks, 0444, dasd_pm_show, NULL);