staging: usbip: Remove NULL check before kfree

This patch was generated by the following semantic patch:
// <smpl>
@@ expression E; @@
- if (E != NULL) { kfree(E); }
+ kfree(E);

@@ expression E; @@
- if (E != NULL) { kfree(E); E = NULL; }
+ kfree(E);
+ E = NULL;
// </smpl>

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/usbip/stub_main.c b/drivers/staging/usbip/stub_main.c
index f3a4096..076a7e5 100644 (file)
--- a/drivers/staging/usbip/stub_main.c
+++ b/drivers/staging/usbip/stub_main.c
@@ -264,11 +264,9 @@ void stub_device_cleanup_urbs(struct stub_device *sdev)
 
                kmem_cache_free(stub_priv_cache, priv);
 
-               if (urb->transfer_buffer != NULL)
-                       kfree(urb->transfer_buffer);
+               kfree(urb->transfer_buffer);
 
-               if (urb->setup_packet != NULL)
-                       kfree(urb->setup_packet);
+               kfree(urb->setup_packet);
 
                usb_free_urb(urb);
        }