From: Tomas Henzl <thenzl@redhat.com>
To: linux-scsi@vger.kernel.org
Cc: sumit.saxena@broadcom.com, kashyap.desai@broadcom.com
Subject: [PATCH] megaraid-sas: request irqs later
Date: Tue, 1 Nov 2016 17:32:02 +0100 [thread overview]
Message-ID: <1478017922-22655-1-git-send-email-thenzl@redhat.com> (raw)
It is not good when an irq arrives before
driver structures are allocated.
Signed-off-by: Tomas Henzl <thenzl@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;
--
2.7.4
next reply other threads:[~2016-11-01 16:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-01 16:32 Tomas Henzl [this message]
2016-11-02 13:47 ` [PATCH] megaraid-sas: request irqs later Sumit Saxena
2016-11-14 23:48 ` Martin K. Petersen
2016-11-15 10:29 ` Sumit Saxena
2016-11-17 1:20 ` Martin K. Petersen
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