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* [net-next PATCH] tun: correctly report an error in tun_flow_init()
@ 2012-12-06 15:48 Paul Moore
  2012-12-07  5:51 ` Jason Wang
  0 siblings, 1 reply; 3+ messages in thread
From: Paul Moore @ 2012-12-06 15:48 UTC (permalink / raw)
  To: netdev; +Cc: jasowang

On error, the error code from tun_flow_init() is lost inside
tun_set_iff(), this patch fixes this by assigning the tun_flow_init()
error code to the "err" variable which is returned by
the tun_flow_init() function on error.

Signed-off-by: Paul Moore <pmoore@redhat.com>
---
 drivers/net/tun.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index a1b2389..14a0454 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1591,7 +1591,8 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
 
 		tun_net_init(dev);
 
-		if (tun_flow_init(tun))
+		err = tun_flow_init(tun);
+		if (err < 0)
 			goto err_free_dev;
 
 		dev->hw_features = NETIF_F_SG | NETIF_F_FRAGLIST |

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2012-12-07 18:21 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2012-12-06 15:48 [net-next PATCH] tun: correctly report an error in tun_flow_init() Paul Moore
2012-12-07  5:51 ` Jason Wang
2012-12-07 18:21   ` David Miller

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