summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorNathan Huckleberry <nhuck@google.com>2022-09-29 11:19:47 -0700
committerDavid S. Miller <davem@davemloft.net>2022-10-03 08:07:40 +0100
commit73ea735073599430818e89b8901452287a15a718 (patch)
tree9bf02d411a381ec63bbea33922ada7bd06a7b9b3 /drivers
parent7a62ed61367b8fd01bae1e18e30602c25060d824 (diff)
downloadlinux-stable-73ea735073599430818e89b8901452287a15a718.tar.gz
linux-stable-73ea735073599430818e89b8901452287a15a718.tar.bz2
linux-stable-73ea735073599430818e89b8901452287a15a718.zip
net: sparx5: Fix return type of sparx5_port_xmit_impl
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 sparx5_port_xmit_impl 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> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_main.h2
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_packet.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.h b/drivers/net/ethernet/microchip/sparx5/sparx5_main.h
index b197129044b5..c9a77a14d3d7 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.h
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.h
@@ -291,7 +291,7 @@ struct frame_info {
void sparx5_xtr_flush(struct sparx5 *sparx5, u8 grp);
void sparx5_ifh_parse(u32 *ifh, struct frame_info *info);
irqreturn_t sparx5_xtr_handler(int irq, void *_priv);
-int sparx5_port_xmit_impl(struct sk_buff *skb, struct net_device *dev);
+netdev_tx_t sparx5_port_xmit_impl(struct sk_buff *skb, struct net_device *dev);
int sparx5_manual_injection_mode(struct sparx5 *sparx5);
void sparx5_port_inj_timer_setup(struct sparx5_port *port);
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
index 21844beba72d..83c16ca5b30f 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
@@ -222,13 +222,13 @@ static int sparx5_inject(struct sparx5 *sparx5,
return NETDEV_TX_OK;
}
-int sparx5_port_xmit_impl(struct sk_buff *skb, struct net_device *dev)
+netdev_tx_t sparx5_port_xmit_impl(struct sk_buff *skb, struct net_device *dev)
{
struct net_device_stats *stats = &dev->stats;
struct sparx5_port *port = netdev_priv(dev);
struct sparx5 *sparx5 = port->sparx5;
u32 ifh[IFH_LEN];
- int ret;
+ netdev_tx_t ret;
memset(ifh, 0, IFH_LEN * 4);
sparx5_set_port_ifh(ifh, port->portno);