diff options
| author | Rupesh Gujare <rupesh.gujare@atmel.com> | 2013-08-23 18:33:32 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-26 06:27:43 -0700 |
| commit | 37bc8f7856fc0c851980f01174ca936741511523 (patch) | |
| tree | 6d5942044d11d534e230a9e8eb9581111b0bde66 | |
| parent | 4882ad9561d2a719ac9fb269bf0567141fd9892e (diff) | |
staging: ozwpan: Fix error checking while transmitting frame.
Make sure that we return negative value if oz_build_frame()
returns NULL.
Signed-off-by: Rupesh Gujare <rupesh.gujare@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/ozwpan/ozpd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/ozwpan/ozpd.c b/drivers/staging/ozwpan/ozpd.c index daaff2af14ae..e1757aa27253 100644 --- a/drivers/staging/ozwpan/ozpd.c +++ b/drivers/staging/ozwpan/ozpd.c @@ -618,14 +618,14 @@ static int oz_send_next_queued_frame(struct oz_pd *pd, int more_data) pd->last_sent_frame = e; skb = oz_build_frame(pd, f); spin_unlock(&pd->tx_frame_lock); + if (!skb) + return -1; if (more_data) oz_set_more_bit(skb); oz_dbg(TX_FRAMES, "TX frame PN=0x%x\n", f->hdr.pkt_num); - if (skb) { - if (dev_queue_xmit(skb) < 0) - return -1; + if (dev_queue_xmit(skb) < 0) + return -1; - } return 0; } |