[PATCH -next] Drivers: hv: remove unused variable in vmbus_recvpacket_raw()

[Wei Yongjun]

From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>

The variable userlen is initialized but never used
otherwise, so remove the unused variable.

Signed-off-by: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
---
 drivers/hv/channel.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 773a2f2..3148d80 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -774,7 +774,6 @@ int vmbus_recvpacket_raw(struct vmbus_channel *channel, void *buffer,
 {
 	struct vmpacket_descriptor desc;
 	u32 packetlen;
-	u32 userlen;
 	int ret;
 
 	*buffer_actual_len = 0;
@@ -788,7 +787,6 @@ int vmbus_recvpacket_raw(struct vmbus_channel *channel, void *buffer,
 
 
 	packetlen = desc.len8 << 3;
-	userlen = packetlen - (desc.offset8 << 3);
 
 	*buffer_actual_len = packetlen;