Staging: hv: netvsc_drv: Get rid of the unnecessary state from struct netvsc_driver

Now get rid of unused state (ring_buf_size) from struct netvsc_driver.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/hv/hyperv_net.h b/drivers/staging/hv/hyperv_net.h
index 0d13e97..cf7570f 100644
--- a/drivers/staging/hv/hyperv_net.h
+++ b/drivers/staging/hv/hyperv_net.h
@@ -86,8 +86,6 @@
 	/* Must be the first field */
 	/* Which is a bug FIXME! */
 	struct hv_driver base;
-
-	u32 ring_buf_size;
 };
 
 static inline