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scsi: be2iscsi: Free msi_name and disable HW intr 

In beiscsi_dev_probe, allocated msi_name does not get freed and enabled
HW interrupts are not disabled in iscsi_host_add error case.

Add beiscsi_free_irqs fn to handle the cleanup in probe and disable port.

Signed-off-by: Jitendra Bhivare <jitendra.bhivare@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Jitendra Bhivare 2017-10-10 16:18:13 +05:30 committed by Martin K. Petersen
parent 8dd998e6e9
commit 45371aa398
1 changed files with 30 additions and 17 deletions
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47
drivers/scsi/be2iscsi/be_main.c
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@ -790,6 +790,24 @@ static irqreturn_t be_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
static void beiscsi_free_irqs(struct beiscsi_hba *phba)
{
struct hwi_context_memory *phwi_context;
int i;
if (!phba->pcidev->msix_enabled) {
if (phba->pcidev->irq)
free_irq(phba->pcidev->irq, phba);
return;
}
phwi_context = phba->phwi_ctrlr->phwi_ctxt;
for (i = 0; i <= phba->num_cpus; i++) {
free_irq(pci_irq_vector(phba->pcidev, i),
&phwi_context->be_eq[i]);
kfree(phba->msi_name[i]);
}
}
static int beiscsi_init_irqs(struct beiscsi_hba *phba)
{
@ -5396,15 +5414,7 @@ static void beiscsi_disable_port(struct beiscsi_hba *phba, int unload)
phwi_ctrlr = phba->phwi_ctrlr;
phwi_context = phwi_ctrlr->phwi_ctxt;
hwi_disable_intr(phba);
if (phba->pcidev->msix_enabled) {
for (i = 0; i <= phba->num_cpus; i++) {
free_irq(pci_irq_vector(phba->pcidev, i),
&phwi_context->be_eq[i]);
kfree(phba->msi_name[i]);
}
} else
if (phba->pcidev->irq)
free_irq(phba->pcidev->irq, phba);
beiscsi_free_irqs(phba);
pci_free_irq_vectors(phba->pcidev);
for (i = 0; i < phba->num_cpus; i++) {
@ -5595,12 +5605,12 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev,
if (ret) {
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BM_%d : be_ctrl_init failed\n");
goto hba_free;
goto free_hba;
}
ret = beiscsi_init_sliport(phba);
if (ret)
goto hba_free;
goto free_hba;
spin_lock_init(&phba->io_sgl_lock);
spin_lock_init(&phba->mgmt_sgl_lock);
@ -5680,13 +5690,13 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev,
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BM_%d : beiscsi_dev_probe-"
"Failed to beiscsi_init_irqs\n");
goto free_blkenbld;
goto disable_iopoll;
}
hwi_enable_intr(phba);
ret = iscsi_host_add(phba->shost, &phba->pcidev->dev);
if (ret)
goto free_blkenbld;
goto free_irqs;
/* set online bit after port is operational */
set_bit(BEISCSI_HBA_ONLINE, &phba->state);
@ -5724,12 +5734,15 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev,
"\n\n\n BM_%d : SUCCESS - DRIVER LOADED\n\n\n");
return 0;
free_blkenbld:
destroy_workqueue(phba->wq);
free_irqs:
hwi_disable_intr(phba);
beiscsi_free_irqs(phba);
disable_iopoll:
for (i = 0; i < phba->num_cpus; i++) {
pbe_eq = &phwi_context->be_eq[i];
irq_poll_disable(&pbe_eq->iopoll);
}
destroy_workqueue(phba->wq);
free_twq:
hwi_cleanup_port(phba);
beiscsi_cleanup_port(phba);
@ -5738,9 +5751,9 @@ free_port:
pci_free_consistent(phba->pcidev,
phba->ctrl.mbox_mem_alloced.size,
phba->ctrl.mbox_mem_alloced.va,
phba->ctrl.mbox_mem_alloced.dma);
phba->ctrl.mbox_mem_alloced.dma);
beiscsi_unmap_pci_function(phba);
hba_free:
free_hba:
pci_disable_msix(phba->pcidev);
pci_dev_put(phba->pcidev);
iscsi_host_free(phba->shost);