Potential NULL pointer deference in scsi

[Yizhuo Zhai]

Hi All:

drivers/scsi/scsi.c:

Inside function __starget_for_each_device(), dev_to_shost()
could return NULL,however, the return value shost is not
checked and get used. This could potentially be unsafe.

-- 
Kind Regards,

Yizhuo Zhai

Computer Science, Graduate Student
University of California, Riverside