diff --git a/src/afs/LINUX/osi_vnodeops.c b/src/afs/LINUX/osi_vnodeops.c
index dc39822e43..d6fa3b6242 100644
--- a/src/afs/LINUX/osi_vnodeops.c
+++ b/src/afs/LINUX/osi_vnodeops.c
@@ -2580,6 +2580,7 @@ afs_linux_can_bypass(struct inode *ip) {
 	case LARGE_FILES_BYPASS_CACHE:
 	    if (i_size_read(ip) > cache_bypass_threshold)
 		return 1;
+	    /* fall through */
 	default:
 	    return 0;
      }
diff --git a/src/opr/jhash.h b/src/opr/jhash.h
index 9c82f9c98a..4568f567c1 100644
--- a/src/opr/jhash.h
+++ b/src/opr/jhash.h
@@ -80,9 +80,12 @@ opr_jhash(const afs_uint32 *k, size_t length, afs_uint32 initval)
     /* All the case statements fall through */
     switch(length) {
       case 3 : c+=k[2];
+	/* fall through */
       case 2 : b+=k[1];
+	/* fall through */
       case 1 : a+=k[0];
 	opr_jhash_final(a, b, c);
+	/* fall through */
       case 0:     /* case 0: nothing left to add */
 	break;
     }
diff --git a/src/rx/xdr.c b/src/rx/xdr.c
index f370723398..b1efad33e8 100644
--- a/src/rx/xdr.c
+++ b/src/rx/xdr.c
@@ -424,7 +424,7 @@ xdr_bytes(XDR * xdrs, char **cpp, u_int * sizep,
 	if (sp == NULL) {
 	    return (FALSE);
 	}
-	/* fall into ... */
+	/* fall through */
 
     case XDR_ENCODE:
 	return (xdr_opaque(xdrs, sp, nodesize));
@@ -547,7 +547,7 @@ xdr_string(XDR * xdrs, char **cpp, u_int maxsize)
 	    return (FALSE);
 	}
 	sp[size] = 0;
-	/* fall into ... */
+	/* fall through */
 
     case XDR_ENCODE:
 	return (xdr_opaque(xdrs, sp, size));