[sheepdog] [PATCH v2] sheepdog: fix a core dump while do auto-reconnecting

[Stefan Hajnoczi]

On Thu, Aug 28, 2014 at 06:27:55PM +0800, Liu Yuan wrote:
> We should reinit local_err as NULL inside the while loop or g_free() will report
> corrupption and abort the QEMU when sheepdog driver tries reconnecting.
> 
> This was broken in commit 356b4ca.
> 
> qemu-system-x86_64: failed to get the header, Resource temporarily unavailable
> qemu-system-x86_64: Failed to connect to socket: Connection refused
> qemu-system-x86_64: (null)
> [xcb] Unknown sequence number while awaiting reply
> [xcb] Most likely this is a multi-threaded client and XInitThreads has not been called
> [xcb] Aborting, sorry about that.
> qemu-system-x86_64: ../../src/xcb_io.c:298: poll_for_response: Assertion `!xcb_xlib_threads_sequence_lost' failed.
> Aborted (core dumped)
> 
> Cc: qemu-devel at nongnu.org
> Cc: Markus Armbruster <armbru at redhat.com>
> Cc: Kevin Wolf <kwolf at redhat.com>
> Cc: Stefan Hajnoczi <stefanha at redhat.com>
> Reviewed-by: Markus Armbruster <armbru at redhat.com>
> Signed-off-by: Liu Yuan <namei.unix at gmail.com>
> ---
>  block/sheepdog.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan
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