diff options
| author |   Yogesh Ashok Powar <yogeshp@marvell.com> | 2011-06-06 14:50:58 +0530 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2011-06-07 14:44:02 -0400 |
| commit | a8fe32937e4e55c9ed73c79800198d137a1b968a (patch) | |
| tree | 7b675eca00a1a3d40271b2c41018a27fa817a711 /drivers | |
| parent | mwifiex: remove list traversal in mwifiex_num_pkts_in_txq (diff) | |
| download | linux-dev-a8fe32937e4e55c9ed73c79800198d137a1b968a.tar.xz linux-dev-a8fe32937e4e55c9ed73c79800198d137a1b968a.zip | |
mwifiex: Remove redundant skb_queue_empty checks
The check of skb list empty before calling skb_peek and skb_dequeue is
redundant. These functions returns NULL if the list is empty.
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/mwifiex/11n_aggr.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c index 84d2c76eca8a..aee3491f61d5 100644 --- a/drivers/net/wireless/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/mwifiex/11n_aggr.c @@ -164,12 +164,13 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, struct mwifiex_tx_param tx_param; struct txpd *ptx_pd = NULL; - if (skb_queue_empty(&pra_list->skb_head)) { + skb_src = skb_peek(&pra_list->skb_head); + if (!skb_src) { spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, ra_list_flags); return 0; } - skb_src = skb_peek(&pra_list->skb_head); + tx_info_src = MWIFIEX_SKB_TXCB(skb_src); skb_aggr = dev_alloc_skb(adapter->tx_buf_size); if (!skb_aggr) { @@ -188,10 +189,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, + LLC_SNAP_LEN) <= adapter->tx_buf_size)) { - if (!skb_queue_empty(&pra_list->skb_head)) - skb_src = skb_dequeue(&pra_list->skb_head); - else - skb_src = NULL; + skb_src = skb_dequeue(&pra_list->skb_head); if (skb_src) { pra_list->total_pkts_size -= skb_src->len; @@ -214,10 +212,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, return -1; } - if (!skb_queue_empty(&pra_list->skb_head)) - skb_src = skb_peek(&pra_list->skb_head); - else - skb_src = NULL; + skb_src = skb_peek(&pra_list->skb_head); } spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, ra_list_flags); |