Re: [PATCH] Properly unref a connection with a close callback

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On 14.11.2013 18:24, Ján Tomko wrote:
> The connection pointer in the closeCallback data was never
> initialized, making the unref in remoteClientCloseFunc a no-op.
> 
> This fixes the following leak in virsh when the daemon closes
> the connection unexpectedly:
> 
> 1,179 (288 direct, 891 indirect) bytes in 1 blocks are
>    definitely lost in loss record 745 of 792
>   at 0x4C2A6D0: calloc (in vgpreload_memcheck-amd64-linux.so)
>   by 0x4E9643D: virAllocVar (viralloc.c:558)
>   by 0x4ED2425: virObjectNew (virobject.c:190)
>   by 0x4F675AC: virGetConnect (datatypes.c:116)
>   by 0x4F6EA06: do_open (libvirt.c:1136)
>   by 0x4F71017: virConnectOpenAuth (libvirt.c:1481)
>   by 0x129FFA: vshReconnect (virsh.c:337)
>   by 0x128310: main (virsh.c:2470)
> ---
>  src/libvirt.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/src/libvirt.c b/src/libvirt.c
> index 90608ab..4beb40a 100644
> --- a/src/libvirt.c
> +++ b/src/libvirt.c
> @@ -21452,6 +21452,7 @@ int virConnectRegisterCloseCallback(virConnectPtr conn,
>          goto error;
>      }
>  
> +    conn->closeCallback->conn = conn;
>      conn->closeCallback->callback = cb;
>      conn->closeCallback->opaque = opaque;
>      conn->closeCallback->freeCallback = freecb;
> 

ACK

Michal

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