This is a note to let you know that I've just added the patch titled
net: wwan: iosm: fix kernel test robot reported error
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-wwan-iosm-fix-kernel-test-robot-reported-error.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 23c703a82f3d902a53ba749e901e9334ca7b3271
Author: M Chetan Kumar <m.chetan.kumar@xxxxxxxxxxxxxxx>
Date: Thu Nov 24 16:07:46 2022 +0530
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 <lkp@xxxxxxxxx>
Signed-off-by: M Chetan Kumar <m.chetan.kumar@xxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c
index bdb2d32cdb6d..e323fe1ae538 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);
