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 6b46311..6fc834e 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;
 }