On Mon, May 7, 2018 at 12:13 AM, Douglas Gilbert wrote:
> On 2018-05-05 11:21 PM, Wenwen Wang wrote:
>>
>> In sg_write(), the opcode of the command is firstly copied from the
>> userspace pointer 'buf' and saved to the kernel variable 'opcode', using
>> the __get_user() function. The size of the c
On 2018-05-05 11:21 PM, Wenwen Wang wrote:
In sg_write(), the opcode of the command is firstly copied from the
userspace pointer 'buf' and saved to the kernel variable 'opcode', using
the __get_user() function. The size of the command, i.e., 'cmd_size' is
then calculated based on the 'opcode'. Af
In sg_write(), the opcode of the command is firstly copied from the
userspace pointer 'buf' and saved to the kernel variable 'opcode', using
the __get_user() function. The size of the command, i.e., 'cmd_size' is
then calculated based on the 'opcode'. After that, the whole command,
including the op
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