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| author | Petko Manolov <petkan@mip-labs.com> | 2016-04-27 14:24:49 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-04-28 17:05:24 -0400 |
| commit | b7302ca05871e50208bc328cbc8199a21f5d876e (patch) | |
| tree | c4b16a2f810dfd19988d1fc33d6f86ecfa331f25 /drivers/net/usb | |
| parent | 6c76f3d2922115f4e1327a2dcce47e94453e3375 (diff) | |
| download | linux-b7302ca05871e50208bc328cbc8199a21f5d876e.tar.gz linux-b7302ca05871e50208bc328cbc8199a21f5d876e.tar.bz2 linux-b7302ca05871e50208bc328cbc8199a21f5d876e.zip | |
pegasus: fixes URB buffer allocation size;
usb_fill_bulk_urb() receives buffer length parameter 8 bytes larger
than what's allocated by alloc_skb(); This seems to be a problem with
older (pegasus usb-1.1) devices, which may silently return more data
than the maximal packet length.
Reported-by: Lincoln Ramsay <a1291762@gmail.com>
Signed-off-by: Petko Manolov <petkan@mip-labs.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb')
| -rw-r--r-- | drivers/net/usb/pegasus.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index f84080215915..f919e20360c1 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -528,7 +528,7 @@ static void read_bulk_callback(struct urb *urb) goon: usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, + pegasus->rx_skb->data, PEGASUS_MTU, read_bulk_callback, pegasus); rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); if (rx_status == -ENODEV) @@ -569,7 +569,7 @@ static void rx_fixup(unsigned long data) } usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, + pegasus->rx_skb->data, PEGASUS_MTU, read_bulk_callback, pegasus); try_again: status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); @@ -823,7 +823,7 @@ static int pegasus_open(struct net_device *net) usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, + pegasus->rx_skb->data, PEGASUS_MTU, read_bulk_callback, pegasus); if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) { if (res == -ENODEV) |