This is a note to let you know that I've just added the patch titled staging: vt6655: device_rx_srv check sk_buff is NULL to the 4.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: staging-vt6655-device_rx_srv-check-sk_buff-is-null.patch and it can be found in the queue-4.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From b5eeed8cb6097c8ea660b6598d36fdbb94065a22 Mon Sep 17 00:00:00 2001 From: Malcolm Priestley <tvboxspy@xxxxxxxxx> Date: Sun, 31 May 2015 10:35:28 +0100 Subject: staging: vt6655: device_rx_srv check sk_buff is NULL From: Malcolm Priestley <tvboxspy@xxxxxxxxx> commit b5eeed8cb6097c8ea660b6598d36fdbb94065a22 upstream. There is a small chance that pRD->pRDInfo->skb could go NULL while the interrupt is processing. Put NULL check on loop to break out. Signed-off-by: Malcolm Priestley <tvboxspy@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/vt6655/device_main.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -807,6 +807,10 @@ static int device_rx_srv(struct vnt_priv pRD = pRD->next) { if (works++ > 15) break; + + if (!pRD->pRDInfo->skb) + break; + if (vnt_receive_frame(pDevice, pRD)) { if (!device_alloc_rx_buf(pDevice, pRD)) { dev_err(&pDevice->pcid->dev, Patches currently in stable-queue which might be from tvboxspy@xxxxxxxxx are queue-4.1/staging-vt6655-check-ieee80211_bss_conf-bssid-not-null.patch queue-4.1/staging-vt6656-check-ieee80211_bss_conf-bssid-not-null.patch queue-4.1/staging-vt6655-device_rx_srv-check-sk_buff-is-null.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html