linux-kernel - [PATCH 33/59] Staging: hv: vmbus: Cleanup the error return value in vmbus_recvpacket

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Message-Id: <1314290965-2698-33-git-send-email-kys@microsoft.com>
Date:	Thu, 25 Aug 2011 09:48:59 -0700
From:	"K. Y. Srinivasan" <kys@...rosoft.com>
To:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, virtualization@...ts.osdl.org
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>
Subject: [PATCH 33/59] Staging: hv: vmbus: Cleanup the error return value in vmbus_recvpacket_raw()

Use standard Linux errno values.

Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
---
 drivers/staging/hv/channel.c  |    2 +-
 drivers/staging/hv/hv_mouse.c |    2 +-
 drivers/staging/hv/netvsc.c   |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/hv/channel.c b/drivers/staging/hv/channel.c
index 9eb8def..ac92c1f 100644
--- a/drivers/staging/hv/channel.c
+++ b/drivers/staging/hv/channel.c
@@ -811,7 +811,7 @@ int vmbus_recvpacket_raw(struct vmbus_channel *channel, void *buffer,
 		pr_err("Buffer too small - needed %d bytes but "
 			"got space for only %d bytes\n",
 			packetlen, bufferlen);
-		return -2;
+		return -ENOBUFS;
 	}
 
 	*requestid = desc.trans_id;
diff --git a/drivers/staging/hv/hv_mouse.c b/drivers/staging/hv/hv_mouse.c
index dd8a114..2e04948 100644
--- a/drivers/staging/hv/hv_mouse.c
+++ b/drivers/staging/hv/hv_mouse.c
@@ -541,7 +541,7 @@ static void mousevsc_on_channel_callback(void *context)
 				}
 				break;
 			}
-		} else if (ret == -2) {
+		} else if (ret == -ENOBUFS) {
 			/* Handle large packet */
 			bufferlen = bytes_recvd;
 			buffer = kzalloc(bytes_recvd, GFP_KERNEL);
diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c
index d547ff6..b89ac7e 100644
--- a/drivers/staging/hv/netvsc.c
+++ b/drivers/staging/hv/netvsc.c
@@ -884,7 +884,7 @@ static void netvsc_channel_cb(void *context)
 
 				break;
 			}
-		} else if (ret == -2) {
+		} else if (ret == -ENOBUFS) {
 			/* Handle large packet */
 			buffer = kmalloc(bytes_recvd, GFP_ATOMIC);
 			if (buffer == NULL) {
-- 
1.7.4.1

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