[PATCH] ASoC: qdsp6: Fix an IS_ERR() vs NULL bug

[Miaoqian Lin]

The function gpr_alloc_port return ERR_PTR on errors, it doesn't return
null.

Signed-off-by: Miaoqian Lin <linmq006 at gmail.com>
---
 sound/soc/qcom/qdsp6/q6apm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/qcom/qdsp6/q6apm.c b/sound/soc/qcom/qdsp6/q6apm.c
index 13598ef5bacb..3e007d609a9b 100644
--- a/sound/soc/qcom/qdsp6/q6apm.c
+++ b/sound/soc/qcom/qdsp6/q6apm.c
@@ -630,9 +630,9 @@ struct q6apm_graph *q6apm_graph_open(struct device *dev, q6apm_cb cb,
 	init_waitqueue_head(&graph->cmd_wait);
 
 	graph->port = gpr_alloc_port(apm->gdev, dev, graph_callback, graph);
-	if (!graph->port) {
+	if (IS_ERR(graph->port)) {
 		kfree(graph);
-		ret = -ENOMEM;
+		ret = PTR_ERR(graph->port);
 		goto err;
 	}
 
-- 
2.17.1