diff options
| author | Nathan Huckleberry <nhuck@google.com> | 2022-09-12 14:44:55 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-09-19 18:28:50 -0700 |
| commit | 0c9441c430104dcf2cd066aae74dbeefb9f9e1bf (patch) | |
| tree | 027d7dcc65de633f44fab434abc8c439dffc5a1b | |
| parent | 106c67ce46f3c82dd276e983668a91d6ed631173 (diff) | |
net: wwan: iosm: Fix return type of ipc_wwan_link_transmit
The ndo_start_xmit field in net_device_ops is expected to be of type
netdev_tx_t (*ndo_start_xmit)(struct sk_buff *skb, struct net_device *dev).
The mismatched return type breaks forward edge kCFI since the underlying
function definition does not match the function hook definition.
The return type of ipc_wwan_link_transmit should be changed from int to
netdev_tx_t.
Reported-by: Dan Carpenter <error27@gmail.com>
Link: https://github.com/ClangBuiltLinux/linux/issues/1703
Cc: llvm@lists.linux.dev
Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Acked-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Link: https://lore.kernel.org/r/20220912214455.929028-1-nhuck@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/wwan/iosm/iosm_ipc_wwan.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wwan/iosm/iosm_ipc_wwan.c b/drivers/net/wwan/iosm/iosm_ipc_wwan.c index 27151148c782..03757ad21d51 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_wwan.c +++ b/drivers/net/wwan/iosm/iosm_ipc_wwan.c @@ -103,8 +103,8 @@ static int ipc_wwan_link_stop(struct net_device *netdev) } /* Transmit a packet */ -static int ipc_wwan_link_transmit(struct sk_buff *skb, - struct net_device *netdev) +static netdev_tx_t ipc_wwan_link_transmit(struct sk_buff *skb, + struct net_device *netdev) { struct iosm_netdev_priv *priv = wwan_netdev_drvpriv(netdev); struct iosm_wwan *ipc_wwan = priv->ipc_wwan; |