usb: avoid NULL check before free

The free() function checks if the argument is NULL.
Do not duplicate this check.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 1edb344d0fb22cfb97ee4c05d87a068ac772ce5c..a2a85db1e7b6b6e5de026e747de983b552e8c3e0 100644 (file)
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1413,13 +1413,10 @@ static struct int_queue *_ehci_create_int_queue(struct usb_device *dev,
        debug("Exit create_int_queue\n");
        return result;
 fail3:
-       if (result->tds)
-               free(result->tds);
+       free(result->tds);
 fail2:
-       if (result->first)
-               free(result->first);
-       if (result)
-               free(result);
+       free(result->first);
+       free(result);
 fail1:
        return NULL;
 }