4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Shivasharan S shivasharan.srikanteshwara@broadcom.com
[ Upstream commit c3b10a55abc943a526aaecd7e860b15671beb906 ]
There is a possibility that firmware on the controller was upgraded before system was suspended. During resume, driver needs to read updated controller properties.
Signed-off-by: Shivasharan S shivasharan.srikanteshwara@broadcom.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/scsi/megaraid/megaraid_sas_base.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -6597,6 +6597,9 @@ megasas_resume(struct pci_dev *pdev) goto fail_init_mfi; }
+ if (megasas_get_ctrl_info(instance) != DCMD_SUCCESS) + goto fail_init_mfi; + tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet, (unsigned long)instance);