From 985a02e75881b73a43c9433a718b49d272a9dd6b Mon Sep 17 00:00:00 2001
From: M Chetan Kumar <m.chetan.kumar@linux.intel.com>
Date: Thu, 24 Nov 2022 16:07:46 +0530
Subject: [PATCH] net: wwan: iosm: fix kernel test robot reported error
Git-commit: 985a02e75881b73a43c9433a718b49d272a9dd6b
Patch-mainline: v6.1-rc8
References: git-fixes
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 <lkp@intel.com>
Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 d41e373f9c0a..c16365123660 100644
--- a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c
+++ b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c
@@ -1471,8 +1471,7 @@ 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);
--
2.35.3