[S390] constify function pointer tables.

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c
index cea49f0..c9b96d5 100644
--- a/drivers/s390/char/tape_proc.c
+++ b/drivers/s390/char/tape_proc.c
@@ -97,7 +97,7 @@
 {
 }
 
-static struct seq_operations tape_proc_seq = {
+static const struct seq_operations tape_proc_seq = {
 	.start		= tape_proc_start,
 	.next		= tape_proc_next,
 	.stop		= tape_proc_stop,
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index d70a6e6..7689b50 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -759,7 +759,7 @@
 	return newpos;
 }
 
-static struct file_operations ur_fops = {
+static const struct file_operations ur_fops = {
 	.owner	 = THIS_MODULE,
 	.open	 = ur_open,
 	.release = ur_release,
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 7073daf..f523501 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -470,7 +470,7 @@
 	return rc;
 }
 
-static struct file_operations zcore_fops = {
+static const struct file_operations zcore_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= zcore_lseek,
 	.read		= zcore_read,