From: Stephen Hemminger <stephen@networkplumber.org>
Date: Sun, 5 Mar 2017 01:27:15 +0000 (-0700)
Subject: hyperv: remove unnecessary return variable
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=42dd2715428f24d4ac990ed9207ce28c60a4b7f6;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

hyperv: remove unnecessary return variable

hv_ringbuffer_read cleanup.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 52d0556a5a25..8a249740b4b4 100644
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -341,13 +341,11 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,
 	struct vmpacket_descriptor desc;
 	u32 offset;
 	u32 packetlen;
-	int ret = 0;
 	struct hv_ring_buffer_info *inring_info = &channel->inbound;
 
 	if (buflen <= 0)
 		return -EINVAL;
 
-
 	*buffer_actual_len = 0;
 	*requestid = 0;
 
@@ -358,7 +356,7 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,
 		 * No error is set when there is even no header, drivers are
 		 * supposed to analyze buffer_actual_len.
 		 */
-		return ret;
+		return 0;
 	}
 
 	init_cached_read_index(channel);
@@ -403,5 +401,5 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,
 
 	hv_signal_on_read(channel);
 
-	return ret;
+	return 0;
 }