Delete unnecessary use of a local variable to immediately return 0.
A simplified version of the semantic patch that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@r exists@
local idexpression ret;
expression e;
position p;
@@
-ret = 0;
... when != ret = e
return
- ret
+ 0
  ;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
        memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
        if (queue_index == TXCMD_QUEUE) {
                rtl8192_tx_cmd(dev, skb);
-               ret = 0;
-               return ret;
+               return 0;
        } else {
                tcb_desc->RATRIndex = 7;
                tcb_desc->bTxDisableRateFallBack = 1;