diff mbox

bonding: fix a memory leak in bond_arp_send_all()

Message ID 20140725122121.GC528@mwanda
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Dan Carpenter July 25, 2014, 12:21 p.m. UTC
This test is reversed so the memory is always leaked.  It's better style
to remove the test anyway.

Fixes: 3e403a77779f ('bonding: make it possible to have unlimited nested upper vlans')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

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Comments

Veaceslav Falico July 25, 2014, 12:24 p.m. UTC | #1
On Fri, Jul 25, 2014 at 03:21:21PM +0300, Dan Carpenter wrote:
>This test is reversed so the memory is always leaked.  It's better style
>to remove the test anyway.
>
>Fixes: 3e403a77779f ('bonding: make it possible to have unlimited nested upper vlans')
>Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Indeed, dunno how I've missed that. And kfree() verifies for the NULL
situation.

Acked-by: Veaceslav Falico <vfalico@gmail.com>

>
>diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
>index 023ec36..f0f5eab 100644
>--- a/drivers/net/bonding/bond_main.c
>+++ b/drivers/net/bonding/bond_main.c
>@@ -2287,8 +2287,7 @@ found:
> 		ip_rt_put(rt);
> 		bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
> 			      addr, tags);
>-		if (!tags)
>-			kfree(tags);
>+		kfree(tags);
> 	}
> }
>
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David Miller July 29, 2014, 12:28 a.m. UTC | #2
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 25 Jul 2014 15:21:21 +0300

> This test is reversed so the memory is always leaked.  It's better style
> to remove the test anyway.
> 
> Fixes: 3e403a77779f ('bonding: make it possible to have unlimited nested upper vlans')
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Applied, but in the future please make "net-next" submissions explicit by saying
something like "[PATCH net-next] " in your subject.

Thanks.
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diff mbox

Patch

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 023ec36..f0f5eab 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2287,8 +2287,7 @@  found:
 		ip_rt_put(rt);
 		bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
 			      addr, tags);
-		if (!tags)
-			kfree(tags);
+		kfree(tags);
 	}
 }