diff options
| author | Linyu Yuan <linyyuan@codeaurora.com> | 2021-06-09 02:35:47 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-16 12:53:03 +0300 |
| commit | 29f13b2f28a6ab721aadb126878ed842ce278462 (patch) | |
| tree | 4d994c8c439018f04b850abd7d4ea4c93ee60033 /drivers/usb/gadget/function | |
| parent | dbb7504e7e9ed1cfc50cf7176b1df66f635d2fec (diff) | |
| download | linux-29f13b2f28a6ab721aadb126878ed842ce278462.tar.xz | |
usb: gadget: eem: fix wrong eem header operation
commit 305f670846a31a261462577dd0b967c4fa796871 upstream.
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: <stable@vger.kernel.org>
Signed-off-by: Linyu Yuan <linyyuan@codeaurora.com>
Link: https://lore.kernel.org/r/20210608233547.3767-1-linyyuan@codeaurora.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget/function')
| -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 007ec6e4a5d4..937038d3c972 100644 --- a/drivers/usb/gadget/function/f_eem.c +++ b/drivers/usb/gadget/function/f_eem.c @@ -502,7 +502,7 @@ 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); @@ -513,7 +513,7 @@ static int eem_unwrap(struct gether *port, if (unlikely(!skb3)) { DBG(cdev, "unable to realign EEM packet\n"); dev_kfree_skb_any(skb2); - continue; + goto next; } dev_kfree_skb_any(skb2); skb_queue_tail(list, skb3); |