staging: dgnc: remove variable rc

Found using coccinelle script:
@@
local idexpression ret;
expression e;
@@

-ret =
+return
     e;
-return ret;

Signed-off-by: Aastha Gupta <aastha.gupta4104@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aastha Gupta 2017-09-16 19:29:33 +05:30 • committed by Greg Kroah-Hartman
commit f59c054301