Re: [Patch] Dereference in drivers/usb/misc/adutux.c

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On Thu, 05 Oct 2006 12:01:29 +0200 Eric Sesterhenn wrote:

> hi,
> 
> in two of the error cases, dev is still NULL,
> and we dereference it. Spotted by coverity (cid#1428, 1429)
> 
> Signed-off-by: Eric Sesterhenn <[email protected]>
> 
> --- linux-2.6.19-rc1/drivers/usb/misc/adutux.c.orig	2006-10-05 11:57:52.000000000 +0200
> +++ linux-2.6.19-rc1/drivers/usb/misc/adutux.c	2006-10-05 11:58:19.000000000 +0200
> @@ -370,7 +370,8 @@ static int adu_release(struct inode *ino
>  	retval = adu_release_internal(dev);
>  
>  exit:
> -	up(&dev->sem);
> +	if(dev)
> +		up(&dev->sem);
>  	dbg(2," %s : leave, return value %d", __FUNCTION__, retval);
>  	return retval;
>  }

	if (dev)

space after if, for, while, etc.  No space after function names.

---
~Randy
-
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