net: fix network drivers ndo_start_xmit() return values
Fix up remaining drivers returning a magic or an errno value from their
ndo_start_xmit() functions that were missed in the first pass:
- isdn_net: missed conversion
- bpqether: missed conversion: skb is freed, so return NETDEV_TX_OK
- hp100: intention appears to be to resubmit skb once resources are
available, but due to no queue handling it is dropped for now.
- lapbether: skb is freed, so return NETDEV_TX_OK
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c
index 8feda9f..1d3429a 100644
--- a/drivers/net/hp100.c
+++ b/drivers/net/hp100.c
@@ -1495,13 +1495,8 @@
hp100_outw(0x4210, TRACE);
printk("hp100: %s: start_xmit_bm\n", dev->name);
#endif
-
- if (skb == NULL) {
- return 0;
- }
-
if (skb->len <= 0)
- return 0;
+ goto drop;
if (lp->chip == HP100_CHIPID_SHASTA && skb_padto(skb, ETH_ZLEN))
return 0;
@@ -1514,10 +1509,10 @@
#endif
/* not waited long enough since last tx? */
if (time_before(jiffies, dev->trans_start + HZ))
- return -EAGAIN;
+ goto drop;
if (hp100_check_lan(dev))
- return -EIO;
+ goto drop;
if (lp->lan_type == HP100_LAN_100 && lp->hub_status < 0) {
/* we have a 100Mb/s adapter but it isn't connected to hub */
@@ -1551,7 +1546,7 @@
}
dev->trans_start = jiffies;
- return -EAGAIN;
+ goto drop;
}
/*
@@ -1591,6 +1586,10 @@
dev->trans_start = jiffies;
return 0;
+
+drop:
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
}
@@ -1648,16 +1647,11 @@
hp100_outw(0x4212, TRACE);
printk("hp100: %s: start_xmit\n", dev->name);
#endif
-
- if (skb == NULL) {
- return 0;
- }
-
if (skb->len <= 0)
- return 0;
+ goto drop;
if (hp100_check_lan(dev))
- return -EIO;
+ goto drop;
/* If there is not enough free memory on the card... */
i = hp100_inl(TX_MEM_FREE) & 0x7fffffff;
@@ -1671,7 +1665,7 @@
printk("hp100: %s: trans_start timing problem\n",
dev->name);
#endif
- return -EAGAIN;
+ goto drop;
}
if (lp->lan_type == HP100_LAN_100 && lp->hub_status < 0) {
/* we have a 100Mb/s adapter but it isn't connected to hub */
@@ -1705,7 +1699,7 @@
}
}
dev->trans_start = jiffies;
- return -EAGAIN;
+ goto drop;
}
for (i = 0; i < 6000 && (hp100_inb(OPTION_MSW) & HP100_TX_CMD); i++) {
@@ -1759,6 +1753,11 @@
#endif
return 0;
+
+drop:
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+
}