diff mbox

remoteproc: imx_rproc: fix return value check in imx_rproc_addr_init()

Message ID 1507718924-127469-1-git-send-email-weiyongjun1@huawei.com (mailing list archive)
State Accepted
Headers show

Commit Message

Wei Yongjun Oct. 11, 2017, 10:48 a.m. UTC
In case of error, the function devm_ioremap() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check should
be replaced with NULL test.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 drivers/remoteproc/imx_rproc.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)


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Comments

Oleksij Rempel Oct. 11, 2017, 12:35 p.m. UTC | #1
On Wed, Oct 11, 2017 at 10:48:44AM +0000, Wei Yongjun wrote:
> In case of error, the function devm_ioremap() returns NULL pointer
> not ERR_PTR(). The IS_ERR() test in the return value check should
> be replaced with NULL test.
> 
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
> ---
>  drivers/remoteproc/imx_rproc.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
> index 612d914..fc38916 100644
> --- a/drivers/remoteproc/imx_rproc.c
> +++ b/drivers/remoteproc/imx_rproc.c
> @@ -269,10 +269,9 @@ static int imx_rproc_addr_init(struct imx_rproc *priv,
>  
>  		priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev,
>  						     att->sa, att->size);
> -		if (IS_ERR(priv->mem[b].cpu_addr)) {
> +		if (!priv->mem[b].cpu_addr) {
>  			dev_err(dev, "devm_ioremap_resource failed\n");
> -			err = PTR_ERR(priv->mem[b].cpu_addr);
> -			return err;
> +			return -ENOMEM;
>  		}
>  		priv->mem[b].sys_addr = att->sa;
>  		priv->mem[b].size = att->size;
> 
> 

Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
diff mbox

Patch

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 612d914..fc38916 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -269,10 +269,9 @@  static int imx_rproc_addr_init(struct imx_rproc *priv,
 
 		priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev,
 						     att->sa, att->size);
-		if (IS_ERR(priv->mem[b].cpu_addr)) {
+		if (!priv->mem[b].cpu_addr) {
 			dev_err(dev, "devm_ioremap_resource failed\n");
-			err = PTR_ERR(priv->mem[b].cpu_addr);
-			return err;
+			return -ENOMEM;
 		}
 		priv->mem[b].sys_addr = att->sa;
 		priv->mem[b].size = att->size;