1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 94edb0a2a026..e8a4c86d274d 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -459,7 +459,7 @@ static inline struct btrfs_fs_info *to_fs_info(struct kobject *kobj)
 static char btrfs_unknown_feature_names[3][NUM_FEATURE_BITS][13];
 static struct btrfs_feature_attr btrfs_feature_attrs[3][NUM_FEATURE_BITS];
 
-static u64 supported_feature_masks[3] = {
+static const u64 supported_feature_masks[3] = {
         [FEAT_COMPAT]    = BTRFS_FEATURE_COMPAT_SUPP,
         [FEAT_COMPAT_RO] = BTRFS_FEATURE_COMPAT_RO_SUPP,
         [FEAT_INCOMPAT]  = BTRFS_FEATURE_INCOMPAT_SUPP,