On Mon, Dec 21, 2009 at 08:03:10PM +0000, Alexander Strakh wrote:
> KERNEL_VERSION: 2.6.32
> SUBJECT: null derefernce in function sisusb_probe
> SUBSCRIBE:
> In driver drivers/usb/misc/sisusbvga/sisusb.c in function
> sisusb_probe:
>
> 1. if in line 3085 after calling function kzalloc variable sisub =
> NULL, then we goto line 3086.
> 2. In line 3086: null dereference of sisusb - "&sisusb->sisusb_dev->dev".
>
> 3084 /* Allocate memory for our private */
> 3085 if (!(sisusb = kzalloc(sizeof(*sisusb), GFP_KERNEL))) {
> 3086 dev_err(&sisusb->sisusb_dev->dev, "Failed to allocate
> memory for private data\n");
> 3087 return -ENOMEM;
> 3088 }
> 3089 kref_init(&sisusb->kref);
Good catch, care to send a patch?
thanks,
greg k-h
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