1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 04524c213de1..206cdf96c3a7 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -59,6 +59,7 @@ enum {
 };
 
 #define DISK_MAX_PARTS                  256
+#define DISK_NAME_LEN                   32
 
 #include <linux/major.h>
 #include <linux/device.h>
@@ -140,7 +141,7 @@ struct gendisk {
         int minors;                     /* maximum number of minors, =1 for
                                          * disks that can't be partitioned. */
 
-        char disk_name[32];             /* name of major driver */
+        char disk_name[DISK_NAME_LEN];  /* name of major driver */
 
         /* Array of pointers to partitions indexed by partno.
          * Protected with matching bdev lock but stat and other