[lm-sensors] [2.6 patch] hwmon/ibmpex.c: fix NULL dereference

Darrick J. Wong djwong at us.ibm.com
Wed Oct 17 23:10:04 CEST 2007


On Wed, Oct 17, 2007 at 09:29:02PM +0200, Adrian Bunk wrote:
> Don't dereference "data" when we know for sure it's NULL.
> 
> Spotted by the Coverity checker.
> 
> Signed-off-by: Adrian Bunk <bunk at kernel.org>
> 
> ---
> 66bec2ef5c6d55fc30ef6ac5bb97fdfcfaf394f2 
> diff --git a/drivers/hwmon/ibmpex.c b/drivers/hwmon/ibmpex.c
> index c462824..e14ce3d 100644
> --- a/drivers/hwmon/ibmpex.c
> +++ b/drivers/hwmon/ibmpex.c
> @@ -457,7 +457,7 @@ static void ibmpex_register_bmc(int iface, struct device *dev)
>  	data = kzalloc(sizeof(*data), GFP_KERNEL);
>  	if (!data) {
>  		printk(KERN_ERR DRVNAME ": Insufficient memory for BMC "
> -		       "interface %d.\n", data->interface);
> +		       "interface.\n");
>  		return;
>  	}
> 
> 
ACK.

--D




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