We should not be doing assignments within an if () block
so fix up the code to not do this.

change was created using Coccinelle.
Acked-by: NAlan Stern <stern@rowland.harvard.edu>
CC: Dan Williams <dan.j.williams@intel.com>
CC: Petr Mladek <pmladek@suse.cz>
CC: Peter Chen <peter.chen@freescale.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: NFelipe Balbi <balbi@ti.com>