1 files changed, 1 insertions, 1 deletions

diff --git a/fs/cifs/cifsacl.h b/fs/cifs/cifsacl.h
index 06d52006bf26..30b0caf66786 100644
--- a/fs/cifs/cifsacl.h
+++ b/fs/cifs/cifsacl.h
@@ -73,7 +73,7 @@ struct cifs_wksid {
 #ifdef CONFIG_CIFS_EXPERIMENTAL
 
 extern int match_sid(struct cifs_sid *);
-extern int compare_sids(struct cifs_sid *, struct cifs_sid *);
+extern int compare_sids(const struct cifs_sid *, const struct cifs_sid *);
 
 #endif /*  CONFIG_CIFS_EXPERIMENTAL */