diff mbox

mmc: host: omap_hsmmc: checking for NULL instead of IS_ERR()

Message ID 20170410135417.GD1918@mwanda (mailing list archive)
State New, archived
Headers show

Commit Message

Dan Carpenter April 10, 2017, 1:54 p.m. UTC
devm_pinctrl_get() returns error pointers, it never returns NULL.

Fixes: 455e5cd6f736 ("mmc: omap_hsmmc: Pin remux workaround to support SDIO interrupt on AM335x")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

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Comments

Kishon Vijay Abraham I April 10, 2017, 2:05 p.m. UTC | #1
On Monday 10 April 2017 07:24 PM, Dan Carpenter wrote:
> devm_pinctrl_get() returns error pointers, it never returns NULL.
> 
> Fixes: 455e5cd6f736 ("mmc: omap_hsmmc: Pin remux workaround to support SDIO interrupt on AM335x")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

FWIW:
Reviewed-by: Kishon Vijay Abraham I <kishon@ti.com>
> 
> diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
> index bf64cf23aa59..8c39dccacf39 100644
> --- a/drivers/mmc/host/omap_hsmmc.c
> +++ b/drivers/mmc/host/omap_hsmmc.c
> @@ -1761,8 +1761,8 @@ static int omap_hsmmc_configure_wake_irq(struct omap_hsmmc_host *host)
>  	 */
>  	if (host->pdata->controller_flags & OMAP_HSMMC_SWAKEUP_MISSING) {
>  		struct pinctrl *p = devm_pinctrl_get(host->dev);
> -		if (!p) {
> -			ret = -ENODEV;
> +		if (IS_ERR(p)) {
> +			ret = PTR_ERR(p);
>  			goto err_free_irq;
>  		}
>  		if (IS_ERR(pinctrl_lookup_state(p, PINCTRL_STATE_DEFAULT))) {
> 
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Ulf Hansson April 12, 2017, 2:11 p.m. UTC | #2
On 10 April 2017 at 15:54, Dan Carpenter <dan.carpenter@oracle.com> wrote:
> devm_pinctrl_get() returns error pointers, it never returns NULL.
>
> Fixes: 455e5cd6f736 ("mmc: omap_hsmmc: Pin remux workaround to support SDIO interrupt on AM335x")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Thanks, applied for next!

Kind regards
Uffe

>
> diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
> index bf64cf23aa59..8c39dccacf39 100644
> --- a/drivers/mmc/host/omap_hsmmc.c
> +++ b/drivers/mmc/host/omap_hsmmc.c
> @@ -1761,8 +1761,8 @@ static int omap_hsmmc_configure_wake_irq(struct omap_hsmmc_host *host)
>          */
>         if (host->pdata->controller_flags & OMAP_HSMMC_SWAKEUP_MISSING) {
>                 struct pinctrl *p = devm_pinctrl_get(host->dev);
> -               if (!p) {
> -                       ret = -ENODEV;
> +               if (IS_ERR(p)) {
> +                       ret = PTR_ERR(p);
>                         goto err_free_irq;
>                 }
>                 if (IS_ERR(pinctrl_lookup_state(p, PINCTRL_STATE_DEFAULT))) {
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diff mbox

Patch

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index bf64cf23aa59..8c39dccacf39 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1761,8 +1761,8 @@  static int omap_hsmmc_configure_wake_irq(struct omap_hsmmc_host *host)
 	 */
 	if (host->pdata->controller_flags & OMAP_HSMMC_SWAKEUP_MISSING) {
 		struct pinctrl *p = devm_pinctrl_get(host->dev);
-		if (!p) {
-			ret = -ENODEV;
+		if (IS_ERR(p)) {
+			ret = PTR_ERR(p);
 			goto err_free_irq;
 		}
 		if (IS_ERR(pinctrl_lookup_state(p, PINCTRL_STATE_DEFAULT))) {