>-----Original Message----- >From: Tomas Henzl [mailto:the...@redhat.com] >Sent: Tuesday, November 01, 2016 10:02 PM >To: linux-scsi@vger.kernel.org >Cc: sumit.sax...@broadcom.com; kashyap.de...@broadcom.com >Subject: [PATCH] megaraid-sas: request irqs later > >It is not good when an irq arrives before driver structures are allocated. > >Signed-off-by: Tomas Henzl <the...@redhat.com> >--- > drivers/scsi/megaraid/megaraid_sas_base.c | 12 +++++------- > 1 file changed, 5 insertions(+), 7 deletions(-) > >diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c >b/drivers/scsi/megaraid/megaraid_sas_base.c >index c3efcc7255..e207410150 100644 >--- a/drivers/scsi/megaraid/megaraid_sas_base.c >+++ b/drivers/scsi/megaraid/megaraid_sas_base.c >@@ -5155,11 +5155,6 @@ static int megasas_init_fw(struct megasas_instance >*instance) > tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet, > (unsigned long)instance); > >- if (instance->msix_vectors ? >- megasas_setup_irqs_msix(instance, 1) : >- megasas_setup_irqs_ioapic(instance)) >- goto fail_setup_irqs; >- > instance->ctrl_info = kzalloc(sizeof(struct megasas_ctrl_info), > GFP_KERNEL); > if (instance->ctrl_info == NULL) >@@ -5175,6 +5170,10 @@ static int megasas_init_fw(struct megasas_instance >*instance) > if (instance->instancet->init_adapter(instance)) > goto fail_init_adapter; > >+ if (instance->msix_vectors ? >+ megasas_setup_irqs_msix(instance, 1) : >+ megasas_setup_irqs_ioapic(instance)) >+ goto fail_init_adapter; > > instance->instancet->enable_intr(instance); > >@@ -5314,9 +5313,8 @@ static int megasas_init_fw(struct megasas_instance >*instance) > > fail_get_pd_list: > instance->instancet->disable_intr(instance); >-fail_init_adapter: > megasas_destroy_irqs(instance); >-fail_setup_irqs: >+fail_init_adapter: > if (instance->msix_vectors) > pci_disable_msix(instance->pdev); > instance->msix_vectors = 0; Looks good to me. Acked-by: Sumit Saxena <sumit.sax...@broadcom.com>
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