net: Hyper-V: Deletion of an unnecessary check before the function call "vfree"

The vfree() function performs also input parameter validation.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 6b463117dcaca45f6130a0b6f4573d8946bc41ec..6fc834e4306d4b76ff4c42b42337e32008a683f0 100644 (file)
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -561,9 +561,7 @@ int netvsc_device_remove(struct hv_device *device)
        vmbus_close(device->channel);
 
        /* Release all resources */
-       if (net_device->sub_cb_buf)
-               vfree(net_device->sub_cb_buf);
-
+       vfree(net_device->sub_cb_buf);
        free_netvsc_device(net_device);
        return 0;
 }