rocker: linearize skb in case frags would not fit into tx descriptor
Suggested-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index 730bdc0..4cd5a71 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -4157,8 +4157,11 @@
skb->data, skb_headlen(skb));
if (err)
goto nest_cancel;
- if (skb_shinfo(skb)->nr_frags > ROCKER_TX_FRAGS_MAX)
- goto nest_cancel;
+ if (skb_shinfo(skb)->nr_frags > ROCKER_TX_FRAGS_MAX) {
+ err = skb_linearize(skb);
+ if (err)
+ goto unmap_frags;
+ }
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];