Preallocated event SKBs are getting reused for PCIe chipset. Their physical addresses are shared with firmware so that firmware can write data into them.
This patch makes sure that SKB is cleared and length is set to default while submitting it to firmware. Signed-off-by: Amitkumar Karwar <[email protected]> Signed-off-by: Zhaoyang Liu <[email protected]> --- drivers/net/wireless/mwifiex/pcie.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index 77b9055..33c75d7 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -1807,6 +1807,8 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter, if (!card->evt_buf_list[rdptr]) { skb_push(skb, INTF_HEADER_LEN); + skb_put(skb, MAX_EVENT_SIZE - skb->len); + memset(skb->data, 0, MAX_EVENT_SIZE); if (mwifiex_map_pci_memory(adapter, skb, MAX_EVENT_SIZE, PCI_DMA_FROMDEVICE)) -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
