RE: [cocci] [Intel-wired-lan] [PATCH 50/61] iommu: Prefer IS_ERR_OR_NULL over manual NULL check

"Loktionov, Aleksandr" <[email protected]> Wed, 11 Mar 2026 09:26:17 +0000
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Message-ID <IA3PR11MB898657C50235115E4008890FE547A@IA3PR11MB8986.namprd11.prod.outlook.com> 

> -----Original Message-----
> From: Intel-wired-lan <[email protected]> On Behalf
> Of Philipp Hahn
> Sent: Tuesday, March 10, 2026 12:49 PM
> To: [email protected]; [email protected];
> [email protected]; [email protected]; [email protected]; dm-
> [email protected]; [email protected];
> [email protected]; [email protected]; intel-wired-
> [email protected]; [email protected]; [email protected];
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> [email protected]; [email protected]; linux-
> [email protected]; [email protected]; linux-
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> [email protected]; [email protected]; sched-
> [email protected]; [email protected]; tipc-
> [email protected]; [email protected]; Philipp Hahn
> <[email protected]>
> Cc: Joerg Roedel <[email protected]>; Will Deacon <[email protected]>;
> Robin Murphy <[email protected]>
> Subject: [Intel-wired-lan] [PATCH 50/61] iommu: Prefer IS_ERR_OR_NULL
> over manual NULL check
> 
> Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a manual NULL
> check.
> 
> Change generated with coccinelle.
> 
> To: Joerg Roedel <[email protected]>
> To: Will Deacon <[email protected]>
> To: Robin Murphy <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Signed-off-by: Philipp Hahn <[email protected]>
> ---
>  drivers/iommu/omap-iommu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
> index
> 8231d7d6bb6a9202025643639a6b28e6faa84659..500a42b57a997696ff37c76f028a
> 717ab71d01f9 100644
> --- a/drivers/iommu/omap-iommu.c
> +++ b/drivers/iommu/omap-iommu.c
> @@ -881,7 +881,7 @@ static int omap_iommu_attach(struct omap_iommu
> *obj, u32 *iopgd)
>   **/
>  static void omap_iommu_detach(struct omap_iommu *obj)  {
> -	if (!obj || IS_ERR(obj))
> +	if (IS_ERR_OR_NULL(obj))
>  		return;
> 
>  	spin_lock(&obj->iommu_lock);
> 
> --
> 2.43.0

Reviewed-by: Aleksandr Loktionov <[email protected]>