linux-kernel - Re: [PATCH] ssb: Fix regression in 2.6.23-git3 due to change in calling add_uevent

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Date:	Sun, 14 Oct 2007 11:35:17 +0200
From:	Michael Buesch <mb@...sch.de>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	kay.sievers@...y.org, linux-kernel@...r.kernel.org,
	Bcm43xx-dev@...ts.berlios.de, linux-wireless@...r.kernel.org
Subject: Re: [PATCH] ssb: Fix regression in 2.6.23-git3 due to change in calling add_uevent_var

On Sunday 14 October 2007 06:46:47 Larry Finger wrote:
> In commit 7eff2e7a8b65c25920207324e56611150eb1cd9a, the calling sequence
> for add_uevent_var was changed, but the ssb driver was not modified, which
> leads to a "Unable to handle kernel paging request" oops. This patch fixes
> the problem.
> 
> Signed-off-by: Larry Finger <Larry.Finger@...inger.net>

Acked-by: Michael Buesch <mb@...sch.de>

> ---
> 
>  drivers/ssb/main.c |   11 +++--------
>  1 file changed, 3 insertions(+), 8 deletions(-)
> 
> Index: linux-2.6/drivers/ssb/main.c
> ===================================================================
> --- linux-2.6.orig/drivers/ssb/main.c
> +++ linux-2.6/drivers/ssb/main.c
> @@ -320,22 +320,17 @@ static int ssb_bus_match(struct device *
>  	return 0;
>  }
>  
> -static int ssb_device_uevent(struct device *dev, char **envp, int num_envp,
> -			     char *buffer, int buffer_size)
> +static int ssb_device_uevent(struct device *dev, struct kobj_uevent_env *env)
>  {
>  	struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
> -	int ret, i = 0, length = 0;
> +	int ret;
>  
>  	if (!dev)
>  		return -ENODEV;
>  
> -	ret = add_uevent_var(envp, num_envp, &i,
> -			     buffer, buffer_size, &length,
> -			     "MODALIAS=ssb:v%04Xid%04Xrev%02X",
> +	ret = add_uevent_var(env, "MODALIAS=ssb:v%04Xid%04Xrev%02X",
>  			     ssb_dev->id.vendor, ssb_dev->id.coreid,
>  			     ssb_dev->id.revision);
> -	envp[i] = NULL;
> -
>  	return ret;
>  }
>  
> 
> 



-- 
Greetings Michael.
-
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