It is not allowed to call kfree_skb() from hardware interrupt context or with hardware interrupts being disabled. So replace kfree_skb() with dev_kfree_skb_irq() under spin_lock_irqsave(). Compile tested only. Fixes: 94a799425eee ("From: wlanfae <wlanfae@xxxxxxxxxxx> [PATCH 1/8] rtl8192e: Import new version of driver from realtek") Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx> --- drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c index 50eb8f3494ec..5a613b116925 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c @@ -1663,7 +1663,7 @@ void rtl92e_reset_desc_ring(struct net_device *dev) dma_unmap_single(&priv->pdev->dev, entry->TxBuffAddr, skb->len, DMA_TO_DEVICE); - kfree_skb(skb); + dev_kfree_skb_irq(skb); ring->idx = (ring->idx + 1) % ring->entries; } ring->idx = 0; -- 2.34.1