1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 63f26a135fe5..b1b204c448ed 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -21,6 +21,7 @@
 #define DCSSBLK_NAME "dcssblk"
 #define DCSSBLK_MINORS_PER_DISK 1
 #define DCSSBLK_PARM_LEN 400
+#define DCSS_BUS_ID_SIZE 20
 
 #ifdef DCSSBLK_DEBUG
 #define PRINT_DEBUG(x...) printk(KERN_DEBUG DCSSBLK_NAME " debug: " x)
@@ -50,7 +51,7 @@ static struct block_device_operations dcssblk_devops = {
 struct dcssblk_dev_info {
         struct list_head lh;
         struct device dev;
-        char segment_name[BUS_ID_SIZE];
+        char segment_name[DCSS_BUS_ID_SIZE];
         atomic_t use_count;
         struct gendisk *gd;
         unsigned long start;
@@ -65,7 +66,7 @@ struct dcssblk_dev_info {
 
 struct segment_info {
         struct list_head lh;
-        char segment_name[BUS_ID_SIZE];
+        char segment_name[DCSS_BUS_ID_SIZE];
         unsigned long start;
         unsigned long end;
         int segment_type;