[FIX] prevent issues

[FIX] prevent issues

|--------|-------------------------------|--------------------|---------------------------------|
| CID    | Type                          | File               | Function                        |
|--------|-------------------------------|--------------------|---------------------------------|
| 373032 | Uninitialized pointer read    | da_protocol.c      | process_msg_get_process_add_inf |
| 373029 | Wrong sizeof argument         | da_inst.c          | new_lib()                       |
| 373013 | Resource leak                 | da_inst.c          | new_lib()                       |
| 373010 | Resource leak                 | da_inst.c          | new_app()                       |
| 373009 | Resource leak                 | da_protocol_inst.c | parse_us_inst_func              |
| 373004 | Dereference null return value | input_events.c     | deviceEventHandler              |
| 373000 | Dereference null return value | da_protocol.c      | process_msg_binary_info         |
| 372997 | Dereference null return value | da_protocol.c      | write_msg_error                 |
| 372996 | Dereference null return value | da_inst.c          | new_lib                         |
| 372993 | Dereference null return value | da_inst.c          | new_app                         |
|--------|-------------------------------|--------------------|---------------------------------|

Change-Id: Ic02b5e6a4a8fcea6697a5f29416fd7555c8211c9
Signed-off-by: Vitaliy Cherepanov <v.cherepanov@samsung.com>
Signed-off-by: Alexander Aksenov <a.aksenov@samsung.com>