From: Kienan Stewart <kstewart@efficios.com>
Date: Mon, 25 Mar 2024 14:53:46 +0000 (-0400)
Subject: Fix: dev_base_lock removed in linux 6.9-rc1
X-Git-Url: https://git.lttng.org/?p=lttng-modules.git;a=commitdiff_plain;h=217bc2e4685050dddce9bdd2557b64f6b8c16622

Fix: dev_base_lock removed in linux 6.9-rc1

See upstream commit:

    commit 1b3ef46cb7f2618cc0b507393220a69810f6da12
    Author: Eric Dumazet <edumazet@google.com>
    Date:   Tue Feb 13 06:32:45 2024 +0000

        net: remove dev_base_lock

        dev_base_lock is not needed anymore, all remaining users also hold RTNL.

Change-Id: I6b07e6eed07fd398302ca14d23162ed24d74df15
Signed-off-by: Kienan Stewart <kstewart@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/src/lttng-statedump-impl.c b/src/lttng-statedump-impl.c
index 0b09027a..4a228ce4 100644
--- a/src/lttng-statedump-impl.c
+++ b/src/lttng-statedump-impl.c
@@ -386,6 +386,20 @@ void lttng_enumerate_device(struct lttng_kernel_session *session,
 	}
 }
 
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,9,0))
+static
+int lttng_enumerate_network_ip_interface(struct lttng_kernel_session *session)
+{
+	struct net_device *dev;
+
+	rtnl_lock();
+	for_each_netdev(&init_net, dev)
+		lttng_enumerate_device(session, dev);
+	rtnl_unlock();
+
+	return 0;
+}
+#else
 static
 int lttng_enumerate_network_ip_interface(struct lttng_kernel_session *session)
 {
@@ -398,6 +412,7 @@ int lttng_enumerate_network_ip_interface(struct lttng_kernel_session *session)
 
 	return 0;
 }
+#endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,9,0)) */
 #else /* CONFIG_INET */
 static inline
 int lttng_enumerate_network_ip_interface(struct lttng_kernel_session *session)