net: wwan: iosm: fix kernel test robot reported error
authorM Chetan Kumar <m.chetan.kumar@linux.intel.com>
Thu, 24 Nov 2022 10:37:46 +0000 (16:07 +0530)
committerDavid S. Miller <davem@davemloft.net>
Mon, 28 Nov 2022 11:31:59 +0000 (11:31 +0000)
commit985a02e75881b73a43c9433a718b49d272a9dd6b
tree004f099563f08c7ac976123c26a5886acfe10482
parent7642cc28fd37a15feacff0ccf0e5a8466630df5d
net: wwan: iosm: fix kernel test robot reported error

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>
drivers/net/wwan/iosm/iosm_ipc_mux_codec.c