greybus: use outgoing flag when creating operation

In gb_operation_create_common(), a zero response size is still
being used to determine whether to use GFP_KERNEL or GFP_ATOMIC
when allocating a message.  Use the value of the "outgoing"
parameter to decide this instead.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
diff --git a/drivers/staging/greybus/operation.c b/drivers/staging/greybus/operation.c
index 226565d..7617410 100644
--- a/drivers/staging/greybus/operation.c
+++ b/drivers/staging/greybus/operation.c
@@ -377,7 +377,7 @@
 {
 	struct greybus_host_device *hd = connection->hd;
 	struct gb_operation *operation;
-	gfp_t gfp_flags = response_size ? GFP_KERNEL : GFP_ATOMIC;
+	gfp_t gfp_flags = outgoing ? GFP_KERNEL : GFP_ATOMIC;
 
 	operation = kmem_cache_zalloc(gb_operation_cache, gfp_flags);
 	if (!operation)