On 6/2/21 6:30 AM, Ming Lei wrote: > When scsi_add_host_with_dma() return failure, the caller will call > scsi_host_put(shost) to release everything allocated for this host > instance. So we can't free allocated stuff in scsi_add_host_with_dma(), > otherwise double free will be caused. > > Strictly speaking, these host resources allocation should have been > moved to scsi_host_alloc(), but the allocation may need driver's > info which can be built between calling scsi_host_alloc() and > scsi_add_host(), so just keep the allocations in > scsi_add_host_with_dma(). > > Fixes the problem by relying on host device's release handler to > release everything. Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>