Commit 37bc8f78 authored by Rupesh Gujare's avatar Rupesh Gujare Committed by Greg Kroah-Hartman
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staging: ozwpan: Fix error checking while transmitting frame. 



Make sure that we return negative value if oz_build_frame()
returns NULL.

Signed-off-by: default avatarRupesh Gujare <rupesh.gujare@atmel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4882ad95

drivers/staging/ozwpan/ozpd.c

+4 −4
Original line number Diff line number Diff line
@@ -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;



	}

	return 0;

}