On 27/08/2019 10:53, Ming Lei wrote: [...] > + char *devname; > + const struct cpumask *mask; > + unsigned long irqflags = IRQF_SHARED; > + int vector = pci_irq_vector(pdev, nvmeq->cq_vector); > + > + devname = kasprintf(GFP_KERNEL, "nvme%dq%d", nr, nvmeq->qid); > + if (!devname) > + return -ENOMEM; > + > + mask = pci_irq_get_affinity(pdev, nvmeq->cq_vector); > + if (mask && cpumask_weight(mask) > 1) > + irqflags |= IRQF_RESCUE_THREAD; > + > + return request_threaded_irq(vector, nvme_irq, NULL, irqflags, > + devname, nvmeq); This will leak 'devname' which gets allocated by kasprintf() a few lines above. -- Johannes Thumshirn SUSE Labs Filesystems jthumshirn@xxxxxxx +49 911 74053 689 SUSE Software Solutions Germany GmbH Maxfeldstr. 5 90409 Nürnberg Germany (HRB 247165, AG München) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850
