[openwrt/openwrt] kernel: add missing in6_dev_put_clear call to an ipv6 network patch

LEDE Commits lede-commits at lists.infradead.org
Wed May 2 06:32:21 PDT 2018


nbd pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/58f7b5b96c301176d639540df4723c798af2a999

commit 58f7b5b96c301176d639540df4723c798af2a999
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Mon Apr 30 14:03:28 2018 +0200

    kernel: add missing in6_dev_put_clear call to an ipv6 network patch
    
    Fixes "unregister_netdevice: waiting for lo to become free. Usage count = 1" messages
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 ...low-rejecting-with-source-address-failed-policy.patch | 16 ++++++++++++----
 ...low-rejecting-with-source-address-failed-policy.patch | 16 ++++++++++++----
 ...low-rejecting-with-source-address-failed-policy.patch | 16 ++++++++++++----
 3 files changed, 36 insertions(+), 12 deletions(-)

diff --git a/target/linux/generic/pending-4.14/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch b/target/linux/generic/pending-4.14/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
index 1ac009b..ebd378b 100644
--- a/target/linux/generic/pending-4.14/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
+++ b/target/linux/generic/pending-4.14/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
@@ -200,7 +200,15 @@ Signed-off-by: Jonas Gorski <jogo at openwrt.org>
  		net->ipv6.ip6_blk_hole_entry->dst.dev = dev;
  		net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev);
  #endif
-@@ -4035,6 +4074,17 @@ static int __net_init ip6_route_net_init
+@@ -3819,6 +3858,7 @@ static int ip6_route_dev_notify(struct n
+ 		in6_dev_put_clear(&net->ipv6.ip6_null_entry->rt6i_idev);
+ #ifdef CONFIG_IPV6_MULTIPLE_TABLES
+ 		in6_dev_put_clear(&net->ipv6.ip6_prohibit_entry->rt6i_idev);
++		in6_dev_put_clear(&net->ipv6.ip6_policy_failed_entry->rt6i_idev);
+ 		in6_dev_put_clear(&net->ipv6.ip6_blk_hole_entry->rt6i_idev);
+ #endif
+ 	}
+@@ -4035,6 +4075,17 @@ static int __net_init ip6_route_net_init
  	net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops;
  	dst_init_metrics(&net->ipv6.ip6_blk_hole_entry->dst,
  			 ip6_template_metrics, true);
@@ -218,7 +226,7 @@ Signed-off-by: Jonas Gorski <jogo at openwrt.org>
  #endif
  
  	net->ipv6.sysctl.flush_delay = 0;
-@@ -4053,6 +4103,8 @@ out:
+@@ -4053,6 +4104,8 @@ out:
  	return ret;
  
  #ifdef CONFIG_IPV6_MULTIPLE_TABLES
@@ -227,7 +235,7 @@ Signed-off-by: Jonas Gorski <jogo at openwrt.org>
  out_ip6_prohibit_entry:
  	kfree(net->ipv6.ip6_prohibit_entry);
  out_ip6_null_entry:
-@@ -4070,6 +4122,7 @@ static void __net_exit ip6_route_net_exi
+@@ -4070,6 +4123,7 @@ static void __net_exit ip6_route_net_exi
  #ifdef CONFIG_IPV6_MULTIPLE_TABLES
  	kfree(net->ipv6.ip6_prohibit_entry);
  	kfree(net->ipv6.ip6_blk_hole_entry);
@@ -235,7 +243,7 @@ Signed-off-by: Jonas Gorski <jogo at openwrt.org>
  #endif
  	dst_entries_destroy(&net->ipv6.ip6_dst_ops);
  }
-@@ -4143,6 +4196,9 @@ void __init ip6_route_init_special_entri
+@@ -4143,6 +4197,9 @@ void __init ip6_route_init_special_entri
  	init_net.ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
  	init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev;
  	init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
diff --git a/target/linux/generic/pending-4.4/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch b/target/linux/generic/pending-4.4/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
index c921a07..897efb8 100644
--- a/target/linux/generic/pending-4.4/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
+++ b/target/linux/generic/pending-4.4/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
@@ -202,7 +202,15 @@ Signed-off-by: Jonas Gorski <jogo at openwrt.org>
  		net->ipv6.ip6_blk_hole_entry->dst.dev = dev;
  		net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev);
  #endif
-@@ -3602,6 +3641,17 @@ static int __net_init ip6_route_net_init
+@@ -3387,6 +3426,7 @@ static int ip6_route_dev_notify(struct n
+ 		in6_dev_put(net->ipv6.ip6_null_entry->rt6i_idev);
+ #ifdef CONFIG_IPV6_MULTIPLE_TABLES
+ 		in6_dev_put(net->ipv6.ip6_prohibit_entry->rt6i_idev);
++		in6_dev_put(net->ipv6.ip6_policy_failed_entry->rt6i_idev);
+ 		in6_dev_put(net->ipv6.ip6_blk_hole_entry->rt6i_idev);
+ #endif
+ 	}
+@@ -3602,6 +3642,17 @@ static int __net_init ip6_route_net_init
  	net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops;
  	dst_init_metrics(&net->ipv6.ip6_blk_hole_entry->dst,
  			 ip6_template_metrics, true);
@@ -220,7 +228,7 @@ Signed-off-by: Jonas Gorski <jogo at openwrt.org>
  #endif
  
  	net->ipv6.sysctl.flush_delay = 0;
-@@ -3620,6 +3670,8 @@ out:
+@@ -3620,6 +3671,8 @@ out:
  	return ret;
  
  #ifdef CONFIG_IPV6_MULTIPLE_TABLES
@@ -229,7 +237,7 @@ Signed-off-by: Jonas Gorski <jogo at openwrt.org>
  out_ip6_prohibit_entry:
  	kfree(net->ipv6.ip6_prohibit_entry);
  out_ip6_null_entry:
-@@ -3637,6 +3689,7 @@ static void __net_exit ip6_route_net_exi
+@@ -3637,6 +3690,7 @@ static void __net_exit ip6_route_net_exi
  #ifdef CONFIG_IPV6_MULTIPLE_TABLES
  	kfree(net->ipv6.ip6_prohibit_entry);
  	kfree(net->ipv6.ip6_blk_hole_entry);
@@ -237,7 +245,7 @@ Signed-off-by: Jonas Gorski <jogo at openwrt.org>
  #endif
  	dst_entries_destroy(&net->ipv6.ip6_dst_ops);
  }
-@@ -3710,6 +3763,9 @@ void __init ip6_route_init_special_entri
+@@ -3710,6 +3764,9 @@ void __init ip6_route_init_special_entri
  	init_net.ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
  	init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev;
  	init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
diff --git a/target/linux/generic/pending-4.9/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch b/target/linux/generic/pending-4.9/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
index ad3a157..1471571 100644
--- a/target/linux/generic/pending-4.9/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
+++ b/target/linux/generic/pending-4.9/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
@@ -200,7 +200,15 @@ Signed-off-by: Jonas Gorski <jogo at openwrt.org>
  		net->ipv6.ip6_blk_hole_entry->dst.dev = dev;
  		net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev);
  #endif
-@@ -3722,6 +3761,17 @@ static int __net_init ip6_route_net_init
+@@ -3507,6 +3546,7 @@ static int ip6_route_dev_notify(struct n
+ 		in6_dev_put(net->ipv6.ip6_null_entry->rt6i_idev);
+ #ifdef CONFIG_IPV6_MULTIPLE_TABLES
+ 		in6_dev_put(net->ipv6.ip6_prohibit_entry->rt6i_idev);
++		in6_dev_put(net->ipv6.ip6_policy_failed_entry->rt6i_idev);
+ 		in6_dev_put(net->ipv6.ip6_blk_hole_entry->rt6i_idev);
+ #endif
+ 	}
+@@ -3722,6 +3762,17 @@ static int __net_init ip6_route_net_init
  	net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops;
  	dst_init_metrics(&net->ipv6.ip6_blk_hole_entry->dst,
  			 ip6_template_metrics, true);
@@ -218,7 +226,7 @@ Signed-off-by: Jonas Gorski <jogo at openwrt.org>
  #endif
  
  	net->ipv6.sysctl.flush_delay = 0;
-@@ -3740,6 +3790,8 @@ out:
+@@ -3740,6 +3791,8 @@ out:
  	return ret;
  
  #ifdef CONFIG_IPV6_MULTIPLE_TABLES
@@ -227,7 +235,7 @@ Signed-off-by: Jonas Gorski <jogo at openwrt.org>
  out_ip6_prohibit_entry:
  	kfree(net->ipv6.ip6_prohibit_entry);
  out_ip6_null_entry:
-@@ -3757,6 +3809,7 @@ static void __net_exit ip6_route_net_exi
+@@ -3757,6 +3810,7 @@ static void __net_exit ip6_route_net_exi
  #ifdef CONFIG_IPV6_MULTIPLE_TABLES
  	kfree(net->ipv6.ip6_prohibit_entry);
  	kfree(net->ipv6.ip6_blk_hole_entry);
@@ -235,7 +243,7 @@ Signed-off-by: Jonas Gorski <jogo at openwrt.org>
  #endif
  	dst_entries_destroy(&net->ipv6.ip6_dst_ops);
  }
-@@ -3830,6 +3883,9 @@ void __init ip6_route_init_special_entri
+@@ -3830,6 +3884,9 @@ void __init ip6_route_init_special_entri
  	init_net.ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
  	init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev;
  	init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);



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