write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/net/sched/em_meta.c
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..
@@ -1,10 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * net/sched/em_meta.c	Metadata ematch
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- *
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- *		This program is free software; you can redistribute it and/or
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- *		modify it under the terms of the GNU General Public License
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- *		as published by the Free Software Foundation; either version
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- *		2 of the License, or (at your option) any later version.
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  *
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  * Authors:	Thomas Graf <tgraf@suug.ch>
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  *
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@@ -450,7 +446,7 @@
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 		*err = -1;
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 		return;
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 	}
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-	dst->value = sk->sk_wmem_queued;
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+	dst->value = READ_ONCE(sk->sk_wmem_queued);
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 }
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 META_COLLECTOR(int_sk_fwd_alloc)
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@@ -525,7 +521,7 @@
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 		*err = -1;
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 		return;
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 	}
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-	dst->value = sk->sk_ack_backlog;
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+	dst->value = READ_ONCE(sk->sk_ack_backlog);
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 }
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 META_COLLECTOR(int_sk_max_ack_bl)
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@@ -536,7 +532,7 @@
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 		*err = -1;
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 		return;
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 	}
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-	dst->value = sk->sk_max_ack_backlog;
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+	dst->value = READ_ONCE(sk->sk_max_ack_backlog);
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 }
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 META_COLLECTOR(int_sk_prio)
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@@ -558,7 +554,7 @@
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 		*err = -1;
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 		return;
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 	}
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-	dst->value = sk->sk_rcvlowat;
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+	dst->value = READ_ONCE(sk->sk_rcvlowat);
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 }
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 META_COLLECTOR(int_sk_rcvtimeo)
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@@ -912,7 +908,8 @@
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 	struct tcf_meta_hdr *hdr;
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 	struct meta_match *meta = NULL;
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-	err = nla_parse(tb, TCA_EM_META_MAX, data, len, meta_policy, NULL);
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+	err = nla_parse_deprecated(tb, TCA_EM_META_MAX, data, len,
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+				   meta_policy, NULL);
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 	if (err < 0)
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 		goto errout;
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