--- zzzz-none-000/linux-3.10.107/net/dccp/ackvec.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/net/dccp/ackvec.c	2021-02-04 17:41:59.000000000 +0000
@@ -218,7 +218,7 @@
 		 * different underlying data structure.
 		 */
 		for (num_packets = num_cells = 1; lost_packets; ++num_cells) {
-			u8 len = min(lost_packets, (u32)DCCPAV_MAX_RUNLEN);
+			u8 len = min_t(u32, lost_packets, DCCPAV_MAX_RUNLEN);
 
 			av->av_buf_head = __ackvec_idx_sub(av->av_buf_head, 1);
 			av->av_buf[av->av_buf_head] = DCCPAV_NOT_RECEIVED | len;
@@ -398,12 +398,8 @@
 
 void dccp_ackvec_exit(void)
 {
-	if (dccp_ackvec_slab != NULL) {
-		kmem_cache_destroy(dccp_ackvec_slab);
-		dccp_ackvec_slab = NULL;
-	}
-	if (dccp_ackvec_record_slab != NULL) {
-		kmem_cache_destroy(dccp_ackvec_record_slab);
-		dccp_ackvec_record_slab = NULL;
-	}
+	kmem_cache_destroy(dccp_ackvec_slab);
+	dccp_ackvec_slab = NULL;
+	kmem_cache_destroy(dccp_ackvec_record_slab);
+	dccp_ackvec_record_slab = NULL;
 }