Use standard Linux error codes.

Signed-off-by: K. Y. Srinivasan <k...@microsoft.com>
Signed-off-by: Haiyang Zhang <haiya...@microsoft.com>
---
 drivers/staging/hv/storvsc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/hv/storvsc.c b/drivers/staging/hv/storvsc.c
index 2b73f72..2b914e4 100644
--- a/drivers/staging/hv/storvsc.c
+++ b/drivers/staging/hv/storvsc.c
@@ -454,7 +454,7 @@ int storvsc_do_io(struct hv_device *device,
        stor_device = get_stor_device(device);
 
        if (!stor_device)
-               return -2;
+               return -ENODEV;
 
 
        request->device  = device;
-- 
1.7.4.1

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