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>

drivers/staging/greybus/operation.c

@@ -377,7 +377,7 @@ gb_operation_create_common(struct gb_connection *connection, bool outgoing,
 {
 	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)