Re: [PATCH-next] scsi: libsas: dynamically allocate and free ata host

Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on mkp-scsi/for-next] [also build test ERROR on next-20180504] [cannot apply to v4.17-rc4] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com

[PATCH-next] scsi: libsas: dynamically allocate and free ata host

Now the ata host for libsas is embedded in domain_device, and the ->kref member is not initialized. Afer we add ata transport class, ata_host_get() will be called when adding transport ATA port and a warning will be triggered as below: refcount_t: increment on 0; use-after-free. WARNING: CPU: 2 PI