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Re: [PATCH 2/7] drm/vmwgfx: fix a problematic usage of WARN_ON()

From Thomas Hellstrom <thellstrom@vmware.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/7] drm/vmwgfx: fix a problematic usage of WARN_ON()
Date 2015-11-26 16:00 +0100
Message-ID <qz6bD-6xn-1@gated-at.bofh.it> (permalink)
References <qyI9j-6MK-3@gated-at.bofh.it> <qyI9k-6MK-23@gated-at.bofh.it>
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Thanks for reporting!

This fix was already reported by Dan Carpenter and has already been
queued in vmwgfx-fixes-4.4

/Thomas


On 11/25/2015 02:12 PM, 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@163.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)) {

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[PATCH 2/7] drm/vmwgfx: fix a problematic usage of WARN_ON() Geliang Tang <geliangtang@163.com> - 2015-11-25 14:20 +0100
  Re: [PATCH 2/7] drm/vmwgfx: fix a problematic usage of WARN_ON() "Sinclair Yeh" <syeh@vmware.com> - 2015-11-25 16:50 +0100
  Re: [PATCH 2/7] drm/vmwgfx: fix a problematic usage of WARN_ON() Thomas Hellstrom <thellstrom@vmware.com> - 2015-11-26 16:00 +0100

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