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* [PATCH] musb: don't dereference NULL tusb_dma in dma_controller_destroy()
@ 2010-01-09 20:57 Roel Kluin
  2010-01-29 10:40 ` Felipe Balbi
  0 siblings, 1 reply; 2+ messages in thread
From: Roel Kluin @ 2010-01-09 20:57 UTC (permalink / raw)
  To: Felipe Balbi, linux-usb, Andrew Morton, LKML

Test whether tusb_dma is not NULL before dereferencing

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
 drivers/usb/musb/tusb6010_omap.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c
index e13c770..1c86809 100644
--- a/drivers/usb/musb/tusb6010_omap.c
+++ b/drivers/usb/musb/tusb6010_omap.c
@@ -648,7 +648,7 @@ void dma_controller_destroy(struct dma_controller *c)
 		}
 	}
 
-	if (!tusb_dma->multichannel && tusb_dma && tusb_dma->ch >= 0)
+	if (tusb_dma && !tusb_dma->multichannel && tusb_dma->ch >= 0)
 		omap_free_dma(tusb_dma->ch);
 
 	kfree(tusb_dma);

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

* Re: [PATCH] musb: don't dereference NULL tusb_dma in dma_controller_destroy()
  2010-01-09 20:57 [PATCH] musb: don't dereference NULL tusb_dma in dma_controller_destroy() Roel Kluin
@ 2010-01-29 10:40 ` Felipe Balbi
  0 siblings, 0 replies; 2+ messages in thread
From: Felipe Balbi @ 2010-01-29 10:40 UTC (permalink / raw)
  To: ext Roel Kluin
  Cc: Balbi Felipe (Nokia-D/Helsinki), linux-usb@vger.kernel.org,
	Andrew Morton, LKML

On Sat, Jan 09, 2010 at 09:57:44PM +0100, ext Roel Kluin wrote:
>Test whether tusb_dma is not NULL before dereferencing
>
>Signed-off-by: Roel Kluin <roel.kluin@gmail.com>

Acked-by: Felipe Balbi <felipe.balbi@nokia.com>

-- 
balbi

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

end of thread, other threads:[~2010-01-29 10:43 UTC | newest]

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2010-01-09 20:57 [PATCH] musb: don't dereference NULL tusb_dma in dma_controller_destroy() Roel Kluin
2010-01-29 10:40 ` Felipe Balbi

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