diff options
| author | Malcolm Priestley <tvboxspy@gmail.com> | 2015-05-31 10:35:28 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-08-03 09:28:59 -0700 |
| commit | c79d02758654aeef5448f9b42952e699dd2c5463 (patch) | |
| tree | a1b5df4e9b457abccb84f6c18a24d6f6be56e66c /drivers/staging | |
| parent | a225aecb12853c4231aac1dc2927755bb2a068a1 (diff) | |
staging: vt6655: device_rx_srv check sk_buff is NULL
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>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/vt6655/device_main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index 9e0278ee003f..15baacb126ad 100644 --- 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_private *pDevice, unsigned int uIdx) 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, |