Re: [PATCH -next] [media] v4l: ti-vpe: fix return value check in vpe_probe()

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On Wednesday 30 October 2013 08:45 AM, Wei Yongjun wrote:
From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

In case of error, the function devm_kzalloc() and devm_ioremap()
returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return
value check should be replaced with NULL test.

Reviewed-by: Archit Taneja <archit@xxxxxx>

Thanks,
Archit


Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
---
  drivers/media/platform/ti-vpe/vpe.c | 8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c
index 4e58069..90cf369 100644
--- a/drivers/media/platform/ti-vpe/vpe.c
+++ b/drivers/media/platform/ti-vpe/vpe.c
@@ -1942,8 +1942,8 @@ static int vpe_probe(struct platform_device *pdev)
  	int ret, irq, func;

  	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
-	if (IS_ERR(dev))
-		return PTR_ERR(dev);
+	if (!dev)
+		return -ENOMEM;

  	spin_lock_init(&dev->lock);

@@ -1962,8 +1962,8 @@ static int vpe_probe(struct platform_device *pdev)
  	 * registers based on the sub block base addresses
  	 */
  	dev->base = devm_ioremap(&pdev->dev, res->start, SZ_32K);
-	if (IS_ERR(dev->base)) {
-		ret = PTR_ERR(dev->base);
+	if (!dev->base) {
+		ret = -ENOMEM;
  		goto v4l2_dev_unreg;
  	}




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