Re: [PATCH] drm: rcar-du: Fix a NULL vs IS_ERR() bug

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Dan,

Thank you for the patch.

On Mon, Feb 27, 2023 at 01:06:59PM +0300, Dan Carpenter wrote:
> The drmm_encoder_alloc() function returns error pointers.  It never
> returns NULL.  Fix the check accordingly.
> 
> Fixes: 7a1adbd23990 ("drm: rcar-du: Use drmm_encoder_alloc() to manage encoder")
> Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
> index b1787be31e92..7ecec7b04a8d 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
> @@ -109,8 +109,8 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu,
>  	renc = drmm_encoder_alloc(&rcdu->ddev, struct rcar_du_encoder, base,
>  				  &rcar_du_encoder_funcs, DRM_MODE_ENCODER_NONE,
>  				  NULL);
> -	if (!renc)
> -		return -ENOMEM;
> +	if (IS_ERR(renc))
> +		return PTR_ERR(renc);
>  
>  	renc->output = output;
>  

-- 
Regards,

Laurent Pinchart



[Index of Archives]     [Linux Samsung SOC]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]

  Powered by Linux