The patch below does not apply to the 3.15-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

>From ce9ccb17ef5b5088172f46dd246c92523fd3a524 Mon Sep 17 00:00:00 2001
From: Jean Sacren <[email protected]>
Date: Thu, 1 May 2014 14:31:18 +0000
Subject: [PATCH] i40e: fix passing wrong error code to i40e_open()

The commit 6c167f582ea9 ("i40e: Refactor and cleanup i40e_open(),
adding i40e_vsi_open()") introduced a new function i40e_vsi_open()
with the regression by a typo. Due to the commit, the wrong error
code would be passed to i40e_open(). Fix this error in
i40e_vsi_open() by turning the macro into a negative value so that
i40e_open() could return the pertinent error code correctly.

Fixes: 6c167f582ea9 ("i40e: Refactor and cleanup i40e_open(), adding 
i40e_vsi_open()")
Signed-off-by: Jean Sacren <[email protected]>
Tested-by: Kavindya Deegala <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c 
b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 0b34e8b31cbd..e0e5c6a867b1 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -4333,7 +4333,7 @@ int i40e_vsi_open(struct i40e_vsi *vsi)
                         dev_driver_string(&pf->pdev->dev));
                err = i40e_vsi_request_irq(vsi, int_name);
        } else {
-               err = EINVAL;
+               err = -EINVAL;
                goto err_setup_rx;
        }
 

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