powerpc/iseries: use DECLARE_COMPLETION_ONSTACK for non-constant completion

The _ONSTACK variant should be used for on-stack completion,
otherwise it will break lockdep.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c
index 49ff4dc422b7be7b0bf8565335d48cb34cc0979f..5aea94f30836c5044fe1fab08378a9535ac35f47 100644 (file)
--- a/arch/powerpc/platforms/iseries/viopath.c
+++ b/arch/powerpc/platforms/iseries/viopath.c
@@ -116,7 +116,7 @@ static int proc_viopath_show(struct seq_file *m, void *v)
        u16 vlanMap;
        dma_addr_t handle;
        HvLpEvent_Rc hvrc;
-       DECLARE_COMPLETION(done);
+       DECLARE_COMPLETION_ONSTACK(done);
        struct device_node *node;
        const char *sysid;