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authorLarry Finger <Larry.Finger@lwfinger.net>2012-09-26 14:01:31 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-26 13:05:50 -0700
commitfa16e5ea25d7dd83f663f333e70713aa2fa5dffe (patch)
treeae38ea2c45d8479e5ff9ebc60b0a91f732693a30 /drivers/staging/rtl8712
parent3cd73bc1cf59b2c9232d9889ba2b148e262054b6 (diff)
downloadlinux-fa16e5ea25d7dd83f663f333e70713aa2fa5dffe.tar.bz2
staging: r8712u: Do not queue cloned skb
Some post-3.4 kernels have a problem when a cloned skb is used in the RX path. This patch handles one such case for r8712u. The patch was suggested by Eric Dumazet. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> [v3.4+] Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8712')
-rw-r--r--drivers/staging/rtl8712/rtl8712_recv.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c
index 4cd297aed788..c76732cdb183 100644
--- a/drivers/staging/rtl8712/rtl8712_recv.c
+++ b/drivers/staging/rtl8712/rtl8712_recv.c
@@ -1131,6 +1131,9 @@ static void recv_tasklet(void *priv)
recvbuf2recvframe(padapter, pskb);
skb_reset_tail_pointer(pskb);
pskb->len = 0;
- skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
+ if (!skb_cloned(pskb))
+ skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
+ else
+ consume_skb(pskb);
}
}