s390/crypto: 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 s390/crypto code.

Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Reviewed-by: Gerd Bayer <gbayer@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c
index a077087bc6ccfb1864fb31d612ea47715eec157b..2becd77df741e576a32ac507b1b7d7cdae32e71e 100644 (file)
--- a/arch/s390/crypto/prng.c
+++ b/arch/s390/crypto/prng.c
@@ -679,7 +679,7 @@ static ssize_t prng_chunksize_show(struct device *dev,
                                   struct device_attribute *attr,
                                   char *buf)
 {
-       return scnprintf(buf, PAGE_SIZE, "%u\n", prng_chunk_size);
+       return sysfs_emit(buf, "%u\n", prng_chunk_size);
 }
 static DEVICE_ATTR(chunksize, 0444, prng_chunksize_show, NULL);
 
@@ -698,7 +698,7 @@ static ssize_t prng_counter_show(struct device *dev,
                counter = prng_data->prngws.byte_counter;
        mutex_unlock(&prng_data->mutex);
 
-       return scnprintf(buf, PAGE_SIZE, "%llu\n", counter);
+       return sysfs_emit(buf, "%llu\n", counter);
 }
 static DEVICE_ATTR(byte_counter, 0444, prng_counter_show, NULL);
 
@@ -707,7 +707,7 @@ static ssize_t prng_errorflag_show(struct device *dev,
                                   struct device_attribute *attr,
                                   char *buf)
 {
-       return scnprintf(buf, PAGE_SIZE, "%d\n", prng_errorflag);
+       return sysfs_emit(buf, "%d\n", prng_errorflag);
 }
 static DEVICE_ATTR(errorflag, 0444, prng_errorflag_show, NULL);
 
@@ -717,9 +717,9 @@ static ssize_t prng_mode_show(struct device *dev,
                              char *buf)
 {
        if (prng_mode == PRNG_MODE_TDES)
-               return scnprintf(buf, PAGE_SIZE, "TDES\n");
+               return sysfs_emit(buf, "TDES\n");
        else
-               return scnprintf(buf, PAGE_SIZE, "SHA512\n");
+               return sysfs_emit(buf, "SHA512\n");
 }
 static DEVICE_ATTR(mode, 0444, prng_mode_show, NULL);
 
@@ -742,7 +742,7 @@ static ssize_t prng_reseed_limit_show(struct device *dev,
                                      struct device_attribute *attr,
                                      char *buf)
 {
-       return scnprintf(buf, PAGE_SIZE, "%u\n", prng_reseed_limit);
+       return sysfs_emit(buf, "%u\n", prng_reseed_limit);
 }
 static ssize_t prng_reseed_limit_store(struct device *dev,
                                       struct device_attribute *attr,
@@ -773,7 +773,7 @@ static ssize_t prng_strength_show(struct device *dev,
                                  struct device_attribute *attr,
                                  char *buf)
 {
-       return scnprintf(buf, PAGE_SIZE, "256\n");
+       return sysfs_emit(buf, "256\n");
 }
 static DEVICE_ATTR(strength, 0444, prng_strength_show, NULL);