linux-kernel - [PATCH 2/2] media: am437x-vpfe: return error in case memory allocation failure

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Message-Id: <1425742250-24404-3-git-send-email-prabhakar.csengg@gmail.com>
Date:	Sat,  7 Mar 2015 15:30:50 +0000
From:	Lad Prabhakar <prabhakar.csengg@...il.com>
To:	LMML <linux-media@...r.kernel.org>,
	Hans Verkuil <hans.verkuil@...co.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"Lad, Prabhakar" <prabhakar.csengg@...il.com>
Subject: [PATCH 2/2] media: am437x-vpfe: return error in case memory allocation failure

From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>

return error in case devm_kzalloc() fails.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@...il.com>
---
 drivers/media/platform/am437x/am437x-vpfe.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/media/platform/am437x/am437x-vpfe.c b/drivers/media/platform/am437x/am437x-vpfe.c
index 3d59ae0..8e056eb 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(rem);
-- 
2.1.0

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