netdev - [PATCH] xen/netback: fix error path of xenvif_connect

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Message-Id: <20191018074549.4778-1-jgross@suse.com>
Date:   Fri, 18 Oct 2019 09:45:49 +0200
From:   Juergen Gross <jgross@...e.com>
To:     xen-devel@...ts.xenproject.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Juergen Gross <jgross@...e.com>, Wei Liu <wei.liu@...nel.org>,
        Paul Durrant <paul@....org>,
        "David S. Miller" <davem@...emloft.net>, stable@...r.kernel.org
Subject: [PATCH] xen/netback: fix error path of xenvif_connect_data()

xenvif_connect_data() calls module_put() in case of error. This is
wrong as there is no related module_get().

Remove the superfluous module_put().

Fixes: 279f438e36c0a7 ("xen-netback: Don't destroy the netdev until the vif is shut down")
Cc: <stable@...r.kernel.org> # 3.12
Signed-off-by: Juergen Gross <jgross@...e.com>
Reviewed-by: Paul Durrant <paul@....org>
---
 drivers/net/xen-netback/interface.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 240f762b3749..103ed00775eb 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -719,7 +719,6 @@ int xenvif_connect_data(struct xenvif_queue *queue,
 	xenvif_unmap_frontend_data_rings(queue);
 	netif_napi_del(&queue->napi);
 err:
-	module_put(THIS_MODULE);
 	return err;
 }
 
-- 
2.16.4