const: make block_device_operations const

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/sbus/char/jsflash.c b/drivers/sbus/char/jsflash.c
index 6d46516..869a30b 100644
--- a/drivers/sbus/char/jsflash.c
+++ b/drivers/sbus/char/jsflash.c
@@ -452,7 +452,7 @@
 
 static struct miscdevice jsf_dev = { JSF_MINOR, "jsflash", &jsf_fops };
 
-static struct block_device_operations jsfd_fops = {
+static const struct block_device_operations jsfd_fops = {
 	.owner =	THIS_MODULE,
 };