USB: hub.c: move assignment out of if () block

Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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: Alan Stern 
CC: Dan Williams 
CC: Petr Mladek 
CC: Peter Chen 
Signed-off-by: Greg Kroah-Hartman 
Reviewed-by: Felipe Balbi 
---
 drivers/usb/core/hub.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
 
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 52178bc..50da096 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -795,7 +795,8 @@ int usb_hub_clear_tt_buffer(struct urb *urb)
 	 * since each TT has "at least two" buffers that can need it (and
 	 * there can be many TTs per hub).  even if they're uncommon.
 	 */
-	if ((clear = kmalloc (sizeof *clear, GFP_ATOMIC)) == NULL) {
+	clear = kmalloc(sizeof *clear, GFP_ATOMIC);
+	if (clear == NULL) {
 		dev_err (&udev->dev, "can't save CLEAR_TT_BUFFER state\n");
 		/* FIXME recover somehow ... RESET_TT? */
 		return -ENOMEM;