4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Shivasharan S <shivasharan.srikanteshwara@xxxxxxxxxxxx> [ 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@xxxxxxxxxxxx> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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);