dev_kfree_skb_any is protected from NULL. No need to check for NULL while calling this function. Signed-off-by: Govindarajulu Varadarajan <govindarajulu90@xxxxxxxxx> --- drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c | 3 +-- drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c | 3 +-- drivers/staging/rtl8188eu/core/rtw_recv.c | 6 ++---- drivers/staging/rtl8192e/rtllib_rx.c | 3 +-- drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c | 3 +-- drivers/staging/rtl8712/recv_linux.c | 3 +-- drivers/staging/rtl8712/rtl8712_recv.c | 6 ++---- drivers/staging/rtl8712/xmit_linux.c | 3 +-- drivers/staging/sbe-2t3e3/dc.c | 12 ++++-------- 9 files changed, 14 insertions(+), 28 deletions(-) diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c index 10b2210..bbafdcc 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c @@ -138,8 +138,7 @@ ieee80211_frag_cache_get(struct ieee80211_device *ieee, if (ieee->frag_next_idx[tid] >= IEEE80211_FRAG_CACHE_LEN) ieee->frag_next_idx[tid] = 0; - if (entry->skb != NULL) - dev_kfree_skb_any(entry->skb); + dev_kfree_skb_any(entry->skb); entry->first_frag_time = jiffies; entry->seq = seq; diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c index b346653..fe747b1 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c @@ -234,8 +234,7 @@ void ieee80211_txb_free(struct ieee80211_txb *txb) { if (unlikely(!txb)) return; for (i = 0; i < txb->nr_frags; i++) - if (txb->fragments[i]) - dev_kfree_skb_any(txb->fragments[i]); + dev_kfree_skb_any(txb->fragments[i]); kfree(txb); } diff --git a/drivers/staging/rtl8188eu/core/rtw_recv.c b/drivers/staging/rtl8188eu/core/rtw_recv.c index 2011657..93fb9ed 100644 --- a/drivers/staging/rtl8188eu/core/rtw_recv.c +++ b/drivers/staging/rtl8188eu/core/rtw_recv.c @@ -209,10 +209,8 @@ int rtw_free_recvframe(union recv_frame *precvframe, struct __queue *pfree_recv_ _func_enter_; - if (precvframe->u.hdr.pkt) { - dev_kfree_skb_any(precvframe->u.hdr.pkt);/* free skb by driver */ - precvframe->u.hdr.pkt = NULL; - } + dev_kfree_skb_any(precvframe->u.hdr.pkt);/* free skb by driver */ + precvframe->u.hdr.pkt = NULL; _enter_critical_bh(&pfree_recv_queue->lock, &irqL); diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c index 8aeaed5..0118854 100644 --- a/drivers/staging/rtl8192e/rtllib_rx.c +++ b/drivers/staging/rtl8192e/rtllib_rx.c @@ -133,8 +133,7 @@ rtllib_frag_cache_get(struct rtllib_device *ieee, if (ieee->frag_next_idx[tid] >= RTLLIB_FRAG_CACHE_LEN) ieee->frag_next_idx[tid] = 0; - if (entry->skb != NULL) - dev_kfree_skb_any(entry->skb); + dev_kfree_skb_any(entry->skb); entry->first_frag_time = jiffies; entry->seq = seq; diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c index 59900bf..70bf7a4 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c @@ -138,8 +138,7 @@ ieee80211_frag_cache_get(struct ieee80211_device *ieee, if (ieee->frag_next_idx[tid] >= IEEE80211_FRAG_CACHE_LEN) ieee->frag_next_idx[tid] = 0; - if (entry->skb != NULL) - dev_kfree_skb_any(entry->skb); + dev_kfree_skb_any(entry->skb); entry->first_frag_time = jiffies; entry->seq = seq; diff --git a/drivers/staging/rtl8712/recv_linux.c b/drivers/staging/rtl8712/recv_linux.c index 495ee12..c422d1f 100644 --- a/drivers/staging/rtl8712/recv_linux.c +++ b/drivers/staging/rtl8712/recv_linux.c @@ -75,8 +75,7 @@ int r8712_os_recvbuf_resource_alloc(struct _adapter *padapter, int r8712_os_recvbuf_resource_free(struct _adapter *padapter, struct recv_buf *precvbuf) { - if (precvbuf->pskb) - dev_kfree_skb_any(precvbuf->pskb); + dev_kfree_skb_any(precvbuf->pskb); if (precvbuf->purb) { usb_kill_urb(precvbuf->purb); usb_free_urb(precvbuf->purb); diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c index d59a74a..9a4e87c 100644 --- a/drivers/staging/rtl8712/rtl8712_recv.c +++ b/drivers/staging/rtl8712/rtl8712_recv.c @@ -145,10 +145,8 @@ int r8712_free_recvframe(union recv_frame *precvframe, struct _adapter *padapter = precvframe->u.hdr.adapter; struct recv_priv *precvpriv = &padapter->recvpriv; - if (precvframe->u.hdr.pkt) { - dev_kfree_skb_any(precvframe->u.hdr.pkt);/*free skb by driver*/ - precvframe->u.hdr.pkt = NULL; - } + dev_kfree_skb_any(precvframe->u.hdr.pkt);/*free skb by driver*/ + precvframe->u.hdr.pkt = NULL; spin_lock_irqsave(&pfree_recv_queue->lock, irqL); list_delete(&(precvframe->u.hdr.list)); list_insert_tail(&(precvframe->u.hdr.list), diff --git a/drivers/staging/rtl8712/xmit_linux.c b/drivers/staging/rtl8712/xmit_linux.c index 4d22bb7..13bb27a 100644 --- a/drivers/staging/rtl8712/xmit_linux.c +++ b/drivers/staging/rtl8712/xmit_linux.c @@ -156,8 +156,7 @@ void r8712_xmit_resource_free(struct _adapter *padapter, void r8712_xmit_complete(struct _adapter *padapter, struct xmit_frame *pxframe) { - if (pxframe->pkt) - dev_kfree_skb_any(pxframe->pkt); + dev_kfree_skb_any(pxframe->pkt); pxframe->pkt = NULL; } diff --git a/drivers/staging/sbe-2t3e3/dc.c b/drivers/staging/sbe-2t3e3/dc.c index f207b9e..d8c9464 100644 --- a/drivers/staging/sbe-2t3e3/dc.c +++ b/drivers/staging/sbe-2t3e3/dc.c @@ -403,10 +403,8 @@ void dc_clear_descriptor_list(struct channel *sc) /* free all data buffers on TX ring */ for (i = 0; i < SBE_2T3E3_TX_DESC_RING_SIZE; i++) { - if (sc->ether.tx_data[i] != NULL) { - dev_kfree_skb_any(sc->ether.tx_data[i]); - sc->ether.tx_data[i] = NULL; - } + dev_kfree_skb_any(sc->ether.tx_data[i]); + sc->ether.tx_data[i] = NULL; } } @@ -418,10 +416,8 @@ void dc_drop_descriptor_list(struct channel *sc) /* free all data buffers on RX ring */ for (i = 0; i < SBE_2T3E3_RX_DESC_RING_SIZE; i++) { - if (sc->ether.rx_data[i] != NULL) { - dev_kfree_skb_any(sc->ether.rx_data[i]); - sc->ether.rx_data[i] = NULL; - } + dev_kfree_skb_any(sc->ether.rx_data[i]); + sc->ether.rx_data[i] = NULL; } kfree(sc->ether.rx_ring); -- 1.8.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html