diff options
| -rw-r--r-- | drivers/net/wireless/rtlwifi/pci.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rtlwifi/rtl8192de/fw.c | 14 | ||||
| -rw-r--r-- | drivers/net/wireless/rtlwifi/usb.c | 12 |
4 files changed, 20 insertions, 10 deletions
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 3c4ae5d9de4f..8758b3db0723 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -652,6 +652,8 @@ static void _rtl_receive_one(struct ieee80211_hw *hw, struct sk_buff *skb, return; uskb = dev_alloc_skb(skb->len + 128); + if (!uskb) + return; /* exit if allocation failed */ memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, sizeof(rx_status)); pdata = (u8 *)skb_put(uskb, skb->len); memcpy(pdata, skb->data, skb->len); diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c index 1eae3baae518..e9e9c26d4963 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c +++ b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c @@ -785,6 +785,8 @@ void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool dl_finished) skb = dev_alloc_skb(totalpacketlen); + if (!skb) + return; memcpy((u8 *) skb_put(skb, totalpacketlen), &reserved_page_packet, totalpacketlen); diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/fw.c b/drivers/net/wireless/rtlwifi/rtl8192de/fw.c index 94f5b7dd06ed..da58ca4966cc 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192de/fw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/fw.c @@ -756,12 +756,16 @@ void rtl92d_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool dl_finished) "rtl92d_set_fw_rsvdpagepkt(): HW_VAR_SET_TX_CMD: ALL", u1RsvdPageLoc, 3); skb = dev_alloc_skb(totalpacketlen); - memcpy((u8 *) skb_put(skb, totalpacketlen), &reserved_page_packet, - totalpacketlen); - rtstatus = _rtl92d_cmd_send_packet(hw, skb); + if (!skb) { + dlok = false; + } else { + memcpy((u8 *) skb_put(skb, totalpacketlen), + &reserved_page_packet, totalpacketlen); + rtstatus = _rtl92d_cmd_send_packet(hw, skb); - if (rtstatus) - dlok = true; + if (rtstatus) + dlok = true; + } if (dlok) { RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD, "Set RSVD page location to Fw\n"); diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 6ae1b212ad99..4db06f6f9084 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -520,12 +520,14 @@ static void _rtl_usb_rx_process_noagg(struct ieee80211_hw *hw, u8 *pdata; uskb = dev_alloc_skb(skb->len + 128); - memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, - sizeof(rx_status)); - pdata = (u8 *)skb_put(uskb, skb->len); - memcpy(pdata, skb->data, skb->len); + if (uskb) { /* drop packet on allocation failure */ + memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, + sizeof(rx_status)); + pdata = (u8 *)skb_put(uskb, skb->len); + memcpy(pdata, skb->data, skb->len); + ieee80211_rx_irqsafe(hw, uskb); + } dev_kfree_skb_any(skb); - ieee80211_rx_irqsafe(hw, uskb); } else { dev_kfree_skb_any(skb); } |