linux-kernel - Re: [PATCH 2/7] drm/vmwgfx: fix a problematic usage of WARN

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Date:	Wed, 25 Nov 2015 07:50:22 -0800
From:	"Sinclair Yeh" <syeh@...are.com>
To:	Geliang Tang <geliangtang@....com>
Cc:	David Airlie <airlied@...ux.ie>,
	Thomas Hellstrom <thellstrom@...are.com>,
	Charmaine Lee <charmainel@...are.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/7] drm/vmwgfx: fix a problematic usage of WARN_ON()

Reviewed-by: Sinclair Yeh <syeh@...are.com>

On Wed, Nov 25, 2015 at 09:12:15PM +0800, Geliang Tang wrote:
> WARN_ON() takes a condition rather than a format string. This patch
> converted WARN_ON() to WARN() instead.
> 
> Signed-off-by: Geliang Tang <geliangtang@....com>
> ---
>  drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
> index a8baf5f..b6a0806 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
> @@ -390,7 +390,7 @@ void *vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes,
>  	else if (ctx_id == SVGA3D_INVALID_ID)
>  		ret = vmw_local_fifo_reserve(dev_priv, bytes);
>  	else {
> -		WARN_ON("Command buffer has not been allocated.\n");
> +		WARN(1, "Command buffer has not been allocated.\n");
>  		ret = NULL;
>  	}
>  	if (IS_ERR_OR_NULL(ret)) {
> -- 
> 2.5.0
> 
> 
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