From: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Date: Sat, 7 Mar 2015 15:30:50 +0000 (-0300)
Subject: [media] media: am437x-vpfe: return error in case memory allocation failure
X-Git-Tag: firefly_0821_release~176^2~795^2~1240
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7d87db3df00ccc138d6243ec12eb354e9c3f48ec;p=firefly-linux-kernel-4.4.55.git

[media] media: am437x-vpfe: return error in case memory allocation failure

return error in case devm_kzalloc() fails.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---

diff --git a/drivers/media/platform/am437x/am437x-vpfe.c b/drivers/media/platform/am437x/am437x-vpfe.c
index 7ea08308f03d..006e9e867239 100644
--- a/drivers/media/platform/am437x/am437x-vpfe.c
+++ b/drivers/media/platform/am437x/am437x-vpfe.c
@@ -2501,6 +2501,12 @@ vpfe_get_pdata(struct platform_device *pdev)
 		pdata->asd[i] = devm_kzalloc(&pdev->dev,
 					     sizeof(struct v4l2_async_subdev),
 					     GFP_KERNEL);
+		if (!pdata->asd[i]) {
+			of_node_put(rem);
+			pdata = NULL;
+			goto done;
+		}
+
 		pdata->asd[i]->match_type = V4L2_ASYNC_MATCH_OF;
 		pdata->asd[i]->match.of.node = rem;
 		of_node_put(endpoint);