From c667751a42653e866ca3e5c6ede97dd779c6083c Mon Sep 17 00:00:00 2001 From: M Chetan Kumar Date: Thu, 24 Nov 2022 16:07:46 +0530 Subject: [PATCH] net: wwan: iosm: fix kernel test robot reported error [ Upstream commit 985a02e75881b73a43c9433a718b49d272a9dd6b ] sparse warnings - iosm_ipc_mux_codec.c:1474 using plain integer as NULL pointer. Use skb_trim() to reset skb tail & len. Fixes: 9413491e20e1 ("net: iosm: encode or decode datagram") Reported-by: kernel test robot Signed-off-by: M Chetan Kumar Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/wwan/iosm/iosm_ipc_mux_codec.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c index bdb2d32..e323fe1 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c +++ b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c @@ -830,8 +830,7 @@ void ipc_mux_ul_encoded_process(struct iosm_mux *ipc_mux, struct sk_buff *skb) ipc_mux->ul_data_pend_bytes); /* Reset the skb settings. */ - skb->tail = 0; - skb->len = 0; + skb_trim(skb, 0); /* Add the consumed ADB to the free list. */ skb_queue_tail((&ipc_mux->ul_adb.free_list), skb); -- 2.7.4