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* [PATCH] sh: free-without-alloc fix for sh_mobile_lcdcfb
@ 2010-10-13  7:17 Magnus Damm
  2010-10-13 10:25 ` Paul Mundt
  0 siblings, 1 reply; 2+ messages in thread
From: Magnus Damm @ 2010-10-13  7:17 UTC (permalink / raw)
  To: linux-sh

From: Magnus Damm <damm@opensource.se>

Without this fix the LCDC driver will try to free
framebuffer memory even though the allocation failed.

Signed-off-by: Magnus Damm <damm@opensource.se>
---

 drivers/video/sh_mobile_lcdcfb.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- 0001/drivers/video/sh_mobile_lcdcfb.c
+++ work/drivers/video/sh_mobile_lcdcfb.c	2010-10-07 18:36:45.000000000 +0900
@@ -1324,8 +1324,10 @@ static int sh_mobile_lcdc_remove(struct 
 		if (priv->ch[i].sglist)
 			vfree(priv->ch[i].sglist);
 
-		dma_free_coherent(&pdev->dev, info->fix.smem_len,
-				  info->screen_base, priv->ch[i].dma_handle);
+		if (info->screen_base)
+			dma_free_coherent(&pdev->dev, info->fix.smem_len,
+					  info->screen_base,
+					  priv->ch[i].dma_handle);
 		fb_dealloc_cmap(&info->cmap);
 		framebuffer_release(info);
 	}

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] sh: free-without-alloc fix for sh_mobile_lcdcfb
  2010-10-13  7:17 [PATCH] sh: free-without-alloc fix for sh_mobile_lcdcfb Magnus Damm
@ 2010-10-13 10:25 ` Paul Mundt
  0 siblings, 0 replies; 2+ messages in thread
From: Paul Mundt @ 2010-10-13 10:25 UTC (permalink / raw)
  To: linux-sh

On Wed, Oct 13, 2010 at 04:17:45PM +0900, Magnus Damm wrote:
> Without this fix the LCDC driver will try to free
> framebuffer memory even though the allocation failed.

Applied, thanks.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2010-10-13  7:17 [PATCH] sh: free-without-alloc fix for sh_mobile_lcdcfb Magnus Damm
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