[PATCH 1/1] staging: hv: Fix error checking in channel.c

[Haiyang Zhang]

From: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>

Subject: staging: hv: Fix error checking in channel.c
Fixed errors in return value checking code, which caused vmbus channel
not functioning.

Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
Signed-off-by: Hank Janssen <hjanssen@xxxxxxxxxxxxx>

---
 drivers/staging/hv/channel.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/hv/channel.c b/drivers/staging/hv/channel.c
index 12c351e..f047c5a 100644
--- a/drivers/staging/hv/channel.c
+++ b/drivers/staging/hv/channel.c
@@ -204,13 +204,13 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 					   RecvRingBufferSize) >> PAGE_SHIFT;
 
 	ret = RingBufferInit(&NewChannel->Outbound, out, SendRingBufferSize);
-	if (!ret) {
+	if (ret != 0) {
 		err = ret;
 		goto errorout;
 	}
 
 	ret = RingBufferInit(&NewChannel->Inbound, in, RecvRingBufferSize);
-	if (!ret) {
+	if (ret != 0) {
 		err = ret;
 		goto errorout;
 	}
@@ -228,7 +228,7 @@ int VmbusChannelOpen(struct vmbus_channel *NewChannel, u32 SendRingBufferSize,
 					 RecvRingBufferSize,
 					 &NewChannel->RingBufferGpadlHandle);
 
-	if (!ret) {
+	if (ret != 0) {
 		err = ret;
 		goto errorout;
 	}
@@ -569,7 +569,7 @@ int VmbusChannelEstablishGpadl(struct vmbus_channel *Channel, void *Kbuffer,
 			ret = VmbusPostMessage(gpadlBody,
 					       subMsgInfo->MessageSize -
 					       sizeof(*subMsgInfo));
-			if (!ret)
+			if (ret != 0)
 				goto Cleanup;
 
 		}
-- 
1.6.3.2

Attachment: 0513-Fix-error-checking-in-channel.c.patch
Description: 0513-Fix-error-checking-in-channel.c.patch