diff options
| author | Linyu Yuan <[email protected]> | 2021-06-09 07:35:47 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2021-06-09 10:57:52 +0200 |
| commit | 305f670846a31a261462577dd0b967c4fa796871 (patch) | |
| tree | f00a841d985a8152d6a8c69db4605ff5ee9975b2 | |
| parent | 184fa76b87ca36c7e98f152df709bf6f492d8e29 (diff) | |
usb: gadget: eem: fix wrong eem header operation
when skb_clone() or skb_copy_expand() fail,
it should pull skb with lengh indicated by header,
or not it will read network data and check it as header.
Cc: <[email protected]>
Signed-off-by: Linyu Yuan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
| -rw-r--r-- | drivers/usb/gadget/function/f_eem.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/gadget/function/f_eem.c b/drivers/usb/gadget/function/f_eem.c index e6cb38439c41..2cd9942707b4 100644 --- a/drivers/usb/gadget/function/f_eem.c +++ b/drivers/usb/gadget/function/f_eem.c @@ -495,7 +495,7 @@ static int eem_unwrap(struct gether *port, skb2 = skb_clone(skb, GFP_ATOMIC); if (unlikely(!skb2)) { DBG(cdev, "unable to unframe EEM packet\n"); - continue; + goto next; } skb_trim(skb2, len - ETH_FCS_LEN); @@ -505,7 +505,7 @@ static int eem_unwrap(struct gether *port, GFP_ATOMIC); if (unlikely(!skb3)) { dev_kfree_skb_any(skb2); - continue; + goto next; } dev_kfree_skb_any(skb2); skb_queue_tail(list, skb3); |