Re: [PATCH 1/1] [virt] virtio-blk: Use ida to allocate disk index

[Mark Wu <dwu@xxxxxxxxxx>]

On 06/01/2011 03:24 AM, Mark Wu wrote:
> -	if (index_to_minor(index)>= 1<<  MINORBITS)
> -		return -ENOSPC;
> +	do {
> +		if (!ida_pre_get(&vd_index_ida, GFP_KERNEL))
> +			return err;
> +
There's a problem in above code: err is not initialized before using, so 
change it to return -1;
+       do {
+               if (!ida_pre_get(&vd_index_ida, GFP_KERNEL))
+                       return -1;

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