net: thunderx: set tso_hdrs pointer to NULL in nicvf_free_snd_queue

[sfrench/cifs-2.6.git] / drivers / net / ethernet / cavium / thunder / nicvf_queues.c

diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index 187a249ff2d1d2fd4201a4e74b9459cbeb3a4b52..fcaf18fa39048b5b83646a7db8e95fd484e27a1f 100644 (file)
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
@@ -585,10 +585,12 @@ static void nicvf_free_snd_queue(struct nicvf *nic, struct snd_queue *sq)
        if (!sq->dmem.base)
                return;
 
-       if (sq->tso_hdrs)
+       if (sq->tso_hdrs) {
                dma_free_coherent(&nic->pdev->dev,
                                  sq->dmem.q_len * TSO_HEADER_SIZE,
                                  sq->tso_hdrs, sq->tso_hdrs_phys);
+               sq->tso_hdrs = NULL;
+       }
 
        /* Free pending skbs in the queue */
        smp_rmb();