xhci: remove unnecessary check in xhci_free_stream_info()

This patch removes the unneccessary check 'if (stream_info)' because
there is already a check few lines above which ensures that stream_info
is not NULL.

Signed-off-by: Xenia Ragiadakou <burzalodowa@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 90709cf..1445e08 100644 (file)
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -722,8 +722,7 @@ void xhci_free_stream_info(struct xhci_hcd *xhci,
                                stream_info->stream_ctx_array,
                                stream_info->ctx_array_dma);
 
-       if (stream_info)
-               kfree(stream_info->stream_rings);
+       kfree(stream_info->stream_rings);
        kfree(stream_info);
 }