diff options
| author | Jason Gunthorpe <jgg@mellanox.com> | 2018-08-16 14:13:03 -0600 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-08-16 14:21:29 -0600 |
| commit | 0a3173a5f09bc58a3638ecfd0a80bdbae55e123c (patch) | |
| tree | d6c0bc84863cca54dfbde3b7463e5d49c82af9f1 /net/mac802154/tx.c | |
| parent | 92f4e77c85918eab5e5803d7e28ab89a7e6bd3a2 (diff) | |
| parent | 5c60a7389d795e001c8748b458eb76e3a5b6008c (diff) | |
Merge branch 'linus/master' into rdma.git for-next
rdma.git merge resolution for the 4.19 merge window
Conflicts:
drivers/infiniband/core/rdma_core.c
- Use the rdma code and revise with the new spelling for
atomic_fetch_add_unless
drivers/nvme/host/rdma.c
- Replace max_sge with max_send_sge in new blk code
drivers/nvme/target/rdma.c
- Use the blk code and revise to use NULL for ib_post_recv when
appropriate
- Replace max_sge with max_recv_sge in new blk code
net/rds/ib_send.c
- Use the net code and revise to use NULL for ib_post_recv when
appropriate
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'net/mac802154/tx.c')
| -rw-r--r-- | net/mac802154/tx.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c index 7e253455f9dd..bcd1a5e6ebf4 100644 --- a/net/mac802154/tx.c +++ b/net/mac802154/tx.c @@ -63,8 +63,21 @@ ieee802154_tx(struct ieee802154_local *local, struct sk_buff *skb) int ret; if (!(local->hw.flags & IEEE802154_HW_TX_OMIT_CKSUM)) { - u16 crc = crc_ccitt(0, skb->data, skb->len); + struct sk_buff *nskb; + u16 crc; + + if (unlikely(skb_tailroom(skb) < IEEE802154_FCS_LEN)) { + nskb = skb_copy_expand(skb, 0, IEEE802154_FCS_LEN, + GFP_ATOMIC); + if (likely(nskb)) { + consume_skb(skb); + skb = nskb; + } else { + goto err_tx; + } + } + crc = crc_ccitt(0, skb->data, skb->len); put_unaligned_le16(crc, skb_put(skb, 2)); } |