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scsi: megaraid_sas: fix error handle in megasas_probe_one 

megasas_mgmt_info.max_index has increased by 1 before megasas_io_attach,
if megasas_io_attach return error, then goto fail_io_attach,
megasas_mgmt_info.instance has a wrong index here. So first reduce
max_index and then set that instance to NULL.

Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
weiping zhang 2017-08-08 01:26:57 +08:00 committed by Martin K. Petersen
parent 424f727b94
commit 61f0c3c7a0
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/megaraid/megaraid_sas_base.c
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@ -6228,8 +6228,8 @@ static int megasas_probe_one(struct pci_dev *pdev,
fail_start_aen:
fail_io_attach:
megasas_mgmt_info.count--;
megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL;
megasas_mgmt_info.max_index--;
megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL;
instance->instancet->disable_intr(instance);
megasas_destroy_irqs(instance);