In case dev_alloc_skb fails, the fix safely returns to avoid potential NULL pointer dereference. Signed-off-by: Kangjie Lu <kjlu@xxxxxxx> --- drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c index 18c76990a089..9042fc044c7e 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c @@ -623,6 +623,9 @@ void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, u1rsvdpageloc, 3); skb = dev_alloc_skb(totalpacketlen); + if (!skb) + return; + skb_put_data(skb, &reserved_page_packet, totalpacketlen); if (cmd_send_packet) -- 2.17.1
