| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.1 026/267] staging: vt6655: device_rx_srv check sk_buff is NULL | Date | Fri, 31 Jul 2015 12:37:57 -0700 |
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4.1-stable review patch. If anyone has any objections, please let me know.
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From: Malcolm Priestley <tvboxspy@gmail.com>
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@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- 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,
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