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The following commit(s) were added to refs/heads/master by this push: new a7926405ca net/udp: Fix the bug of overwriting when the udp recv buffer is full a7926405ca is described below commit a7926405cafca178e137fbae05290c0f8a38cd51 Author: wangyingdong <wangyingd...@xiaomi.com> AuthorDate: Thu Jun 8 10:50:53 2023 +0800 net/udp: Fix the bug of overwriting when the udp recv buffer is full Signed-off-by: wangyingdong <wangyingd...@xiaomi.com> --- net/udp/udp_callback.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/udp/udp_callback.c b/net/udp/udp_callback.c index f353bb32b1..6ccf330cd2 100644 --- a/net/udp/udp_callback.c +++ b/net/udp/udp_callback.c @@ -75,13 +75,13 @@ static uint16_t udp_datahandler(FAR struct net_driver_s *dev, uint8_t offset = 0; #if CONFIG_NET_RECV_BUFSIZE > 0 - while (iob_get_queue_size(&conn->readahead) > conn->rcvbufs) + if (iob_get_queue_size(&conn->readahead) > conn->rcvbufs) { - iob = iob_remove_queue(&conn->readahead); - iob_free_chain(iob); + netdev_iob_release(dev); #ifdef CONFIG_NET_STATISTICS g_netstats.udp.drop++; #endif + return 0; } #endif