Instead of dealing with sk_buff prev pointers the queue functions
now make use of the sk_buff_head functions provided by the kernel.
Reported-by: NJohannes Berg <johannes@sipsolutions.net>
Reviewed-by: NAlwin Beukers <alwin@broadcom.com>
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>