diff options
| author | Hante Meuleman <meuleman@broadcom.com> | 2013-01-02 18:22:38 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-01-08 00:16:55 +0400 |
| commit | 0429a6fa6be9489bf451e9fcc0f97341e4a356b6 (patch) | |
| tree | 4a439524b87e322d534a6c729498a93e486f7e9f /drivers | |
| parent | 637ccc27f46f2232267e689b6f8eb744f78f4810 (diff) | |
| download | linux-0429a6fa6be9489bf451e9fcc0f97341e4a356b6.tar.xz | |
brcmfmac: do not reconfigure refill rx on 0-length packet.
When USB device gets removed rx complete comes with 0-length
packets. Do not refill those packets. In some rare cases it can
cause infinite loop.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/usb.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c index 914c56fe6c5f..22eae57d9546 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c @@ -467,7 +467,11 @@ static void brcmf_usb_rx_complete(struct urb *urb) devinfo->bus_pub.bus->dstats.rx_errors++; } else brcmf_rx_packet(devinfo->dev, ifidx, skb); - brcmf_usb_rx_refill(devinfo, req); + /* zero lenght packets indicate usb "failure". Do not refill */ + if (urb->actual_length) + brcmf_usb_rx_refill(devinfo, req); + else + brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); } else { brcmu_pkt_buf_free_skb(skb); brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); |