[PATCH net] enic: do not overwrite error code

[Govindarajulu Varadarajan]

In failure path, we overwrite err to what vnic_rq_disable() returns. In
case it returns 0, enic_open() returns success in case of error.

Reported-by: Ben Hutchings <ben.hutchi...@codethink.co.uk>
Fixes: e8588e268509 ("enic: enable rq before updating rq descriptors")
Signed-off-by: Govindarajulu Varadarajan <gvara...@cisco.com>
---
 drivers/net/ethernet/cisco/enic/enic_main.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c 
b/drivers/net/ethernet/cisco/enic/enic_main.c
index 30d2eaa18c04..d3962fb0d32d 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -1920,7 +1920,7 @@ static int enic_open(struct net_device *netdev)
 {
        struct enic *enic = netdev_priv(netdev);
        unsigned int i;
-       int err;
+       int err, ret;
 
        err = enic_request_intr(enic);
        if (err) {
@@ -1977,10 +1977,9 @@ static int enic_open(struct net_device *netdev)
 
 err_out_free_rq:
        for (i = 0; i < enic->rq_count; i++) {
-               err = vnic_rq_disable(&enic->rq[i]);
-               if (err)
-                       return err;
-               vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
+               ret = vnic_rq_disable(&enic->rq[i]);
+               if (!ret)
+                       vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
        }
        enic_dev_notify_unset(enic);
 err_out_free_intr:
-- 
2.17.1