Since Linux now supports CFI, it will be a good idea to fix mismatched return type for implementation of hooks. Otherwise this might get cought out by CFI and cause a panic. Use enums from netdev_tx_t as return value instead, then change return type to netdev_tx_t. Signed-off-by: GUO Zihua <guozihua@xxxxxxxxxx> --- drivers/staging/r8188eu/include/xmit_osdep.h | 2 +- drivers/staging/r8188eu/os_dep/xmit_linux.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/staging/r8188eu/include/xmit_osdep.h b/drivers/staging/r8188eu/include/xmit_osdep.h index 00658681fef9..947242486144 100644 --- a/drivers/staging/r8188eu/include/xmit_osdep.h +++ b/drivers/staging/r8188eu/include/xmit_osdep.h @@ -28,7 +28,7 @@ struct sta_xmit_priv; struct xmit_frame; struct xmit_buf; -int rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev); +netdev_tx_t rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev); void rtw_os_xmit_schedule(struct adapter *padapter); diff --git a/drivers/staging/r8188eu/os_dep/xmit_linux.c b/drivers/staging/r8188eu/os_dep/xmit_linux.c index 91a1e4e3219a..0b04010d6d82 100644 --- a/drivers/staging/r8188eu/os_dep/xmit_linux.c +++ b/drivers/staging/r8188eu/os_dep/xmit_linux.c @@ -198,7 +198,7 @@ static int rtw_mlcst2unicst(struct adapter *padapter, struct sk_buff *skb) return true; } -int rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev) +netdev_tx_t rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev) { struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev); struct xmit_priv *pxmitpriv = &padapter->xmitpriv; @@ -233,5 +233,5 @@ int rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev) exit: - return 0; + return NETDEV_TX_OK; } -- 2.17.1