Initial commit

package/qca/qca-nss-ecm/patches/401-Fix-for-ref-leak-during-multicast.patch

@@ -0,0 +1,112 @@
+From 4b41703a181b7187d9ff8cb744eb96d09997387c Mon Sep 17 00:00:00 2001
+From: Suman Ghosh <sumaghos@codeaurora.org>
+Date: Wed, 19 Feb 2020 15:09:19 +0530
+Subject: [qca-nss-ecm] Fix for ref leak during multicast 'to' hierarchy
+ creation
+
+Change-Id: I89df9dbe5ea054cf3b87d55ce68a751cb1d6c24f
+Signed-off-by: Suman Ghosh <sumaghos@codeaurora.org>
+---
+ ecm_interface.c | 34 ++++++++++++++++++++++++++++++----
+ 1 file changed, 30 insertions(+), 4 deletions(-)
+
+diff --git a/ecm_interface.c b/ecm_interface.c
+index 4f7a886..2a0ca5b 100644
+--- a/ecm_interface.c
++++ b/ecm_interface.c
+@@ -3885,13 +3885,13 @@ int32_t ecm_interface_multicast_heirarchy_construct_routed(struct ecm_front_end_
+ 		dest_dev = dev_get_by_index(&init_net, *dst_if_index);
+ 		if (!dest_dev) {
+ 			if (!src_dev_is_bridge) {
+-				int i;
+-
+ 				/*
+ 				 * If already constructed any interface heirarchies before hitting
+ 				 * this error condition then Deref all interface heirarchies.
+ 				 */
+ 				if (valid_if > 0) {
++					int i;
++
+ 					for (i = 0; i < valid_if; i++) {
+ 						ifaces = ecm_db_multicast_if_heirarchy_get(interfaces, i);
+ 						ecm_db_multicast_copy_if_heirarchy(to_list_single, ifaces);
+@@ -3902,11 +3902,14 @@ int32_t ecm_interface_multicast_heirarchy_construct_routed(struct ecm_front_end_
+ 				/*
+ 				 * If valid netdev not found, Return 0
+ 				 */
++				if (br_dev_src) {
++					dev_put(br_dev_src);
++				}
++
+ 				return 0;
+ 			}
+ 
+ 			dest_dev = br_dev_src;
+-
+ 		}
+ 
+ 		dest_dev_type = dest_dev->type;
+@@ -3945,6 +3948,10 @@ int32_t ecm_interface_multicast_heirarchy_construct_routed(struct ecm_front_end_
+ 					}
+ 				}
+ 
++				if (br_dev_src && (dest_dev != br_dev_src)) {
++					dev_put(br_dev_src);
++				}
++
+ 				dev_put(dest_dev);
+ 				return 0;
+ 			}
+@@ -3972,6 +3979,10 @@ int32_t ecm_interface_multicast_heirarchy_construct_routed(struct ecm_front_end_
+ 						ecm_db_connection_interfaces_deref(to_list_single, interface_first_base[i]);
+ 					}
+ 
++					if (br_dev_src && (dest_dev != br_dev_src)) {
++						dev_put(br_dev_src);
++					}
++
+ 					dev_put(dest_dev);
+ 					dev_put(mc_br_slave_dev);
+ 					return 0;
+@@ -3997,6 +4008,10 @@ int32_t ecm_interface_multicast_heirarchy_construct_routed(struct ecm_front_end_
+ 						}
+ 					}
+ 
++					if (br_dev_src && (dest_dev != br_dev_src)) {
++						dev_put(br_dev_src);
++					}
++
+ 					dev_put(dest_dev);
+ 					dev_put(mc_br_slave_dev);
+ 					return 0;
+@@ -4032,6 +4047,10 @@ int32_t ecm_interface_multicast_heirarchy_construct_routed(struct ecm_front_end_
+ 					}
+ 				}
+ 
++				if (br_dev_src && (dest_dev != br_dev_src)) {
++					dev_put(br_dev_src);
++				}
++
+ 				dev_put(dest_dev);
+ 				return 0;
+ 			}
+@@ -4042,8 +4061,15 @@ int32_t ecm_interface_multicast_heirarchy_construct_routed(struct ecm_front_end_
+ 			valid_if++;
+ 		}
+ 
+-		dev_put(dest_dev);
++		if (dest_dev != br_dev_src) {
++			dev_put(dest_dev);
++		}
+ 	}
++
++	if (br_dev_src) {
++		dev_put(br_dev_src);
++	}
++
+ 	return total_ii_count;
+ }
+ EXPORT_SYMBOL(ecm_interface_multicast_heirarchy_construct_routed);
+-- 
+cgit v1.1
+