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commit 3778834527ad2548c2d6764522774ce6fe939a7b Author: zhanghongyu <[email protected]> AuthorDate: Fri Nov 7 15:13:46 2025 +0800 netdev_foreach.c: add lock protection during the traversal process when traversing g_netdevices, it is necessary to ensure that they are not modified during the traversal. Signed-off-by: zhanghongyu <[email protected]> --- net/netdev/netdev_foreach.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/netdev/netdev_foreach.c b/net/netdev/netdev_foreach.c index 230d2859abf..537167c88b6 100644 --- a/net/netdev/netdev_foreach.c +++ b/net/netdev/netdev_foreach.c @@ -71,6 +71,7 @@ int netdev_foreach(netdev_callback_t callback, FAR void *arg) if (callback != NULL) { + netdev_list_lock(); for (dev = g_netdevices; dev; dev = dev->flink) { if (callback(dev, arg) != 0) @@ -79,6 +80,8 @@ int netdev_foreach(netdev_callback_t callback, FAR void *arg) break; } } + + netdev_list_unlock(); } return ret;
