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-rw-r--r--block/nbd.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/block/nbd.c b/block/nbd.c
index 42e10c7c93..bcd6641e90 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -235,7 +235,14 @@ static void nbd_client_detach_aio_context(BlockDriverState *bs)
/* Timer is deleted in nbd_client_co_drain_begin() */
assert(!s->reconnect_delay_timer);
- qio_channel_detach_aio_context(QIO_CHANNEL(s->ioc));
+ /*
+ * If reconnect is in progress we may have no ->ioc. It will be
+ * re-instantiated in the proper aio context once the connection is
+ * reestablished.
+ */
+ if (s->ioc) {
+ qio_channel_detach_aio_context(QIO_CHANNEL(s->ioc));
+ }
}
static void nbd_client_attach_aio_context_bh(void *opaque)