BUG null dereference in driver ./drivers/usb/misc/sisusbvga/sisusb.c

[Alexander Strakh]

        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);

Found by Linux Device Drivers Verification Project (Svace Detector)
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