linux-kernel - [PATCH 2/5] media: davinci: fix return value check in vpbe_display

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Date:	Wed, 12 Dec 2012 01:24:51 +0100
From:	Cyril Roelandt <tipecaml@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	kernel-janitors@...r.kernel.org,
	Cyril Roelandt <tipecaml@...il.com>, manjunath.hadli@...com,
	prabhakar.lad@...com, mchehab@...hat.com,
	linux-media@...r.kernel.org,
	davinci-linux-open-source@...ux.davincidsp.com
Subject: [PATCH 2/5] media: davinci: fix return value check in vpbe_display_reqbufs().

vb2_dma_contig_init_ctx() returns ERR_PTR and never returns NULL, so IS_ERR
should be used instead of a NULL check.

Signed-off-by: Cyril Roelandt <tipecaml@...il.com>
---
 drivers/media/platform/davinci/vpbe_display.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
index 2bfde79..2db4eff 100644
--- a/drivers/media/platform/davinci/vpbe_display.c
+++ b/drivers/media/platform/davinci/vpbe_display.c
@@ -1393,7 +1393,7 @@ static int vpbe_display_reqbufs(struct file *file, void *priv,
 	}
 	/* Initialize videobuf queue as per the buffer type */
 	layer->alloc_ctx = vb2_dma_contig_init_ctx(vpbe_dev->pdev);
-	if (!layer->alloc_ctx) {
+	if (IS_ERR(layer->alloc_ctx)) {
 		v4l2_err(&vpbe_dev->v4l2_dev, "Failed to get the context\n");
 		return -EINVAL;
 	}
-- 
1.7.10.4

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