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Subject[v1] scsi: qla2xxx: qla_mr:- Release and Unmap memory regions when an error occurred.
Date
Free memory regions, if qlafx00_iospace_config is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
drivers/scsi/qla2xxx/qla_mr.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c
index 02f1de1..2861df8 100644
--- a/drivers/scsi/qla2xxx/qla_mr.c
+++ b/drivers/scsi/qla2xxx/qla_mr.c
@@ -770,7 +770,7 @@
ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
"Failed to reserve PIO/MMIO regions (%s), aborting.\n",
pci_name(ha->pdev));
- goto iospace_error_exit;
+ return -ENOMEM;
}

/* Use MMIO operations for all accesses. */
@@ -799,13 +799,13 @@
ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
"region #2 not an MMIO resource (%s), aborting\n",
pci_name(ha->pdev));
- goto iospace_error_exit;
+ goto iounmap_error_exit;
}
if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
"Invalid PCI mem BAR2 region size (%s), aborting\n",
pci_name(ha->pdev));
- goto iospace_error_exit;
+ goto iounmap_error_exit;
}

ha->iobase =
@@ -813,7 +813,7 @@
if (!ha->iobase) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
"cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
- goto iospace_error_exit;
+ goto iounmap_error_exit;
}

/* Determine queue resources */
@@ -825,7 +825,10 @@

return 0;

+iounmap_error_exit:
+ iounmap(ha->cregbase);
iospace_error_exit:
+ pci_release_selected_regions(ha->pdev, ha->bars);
return -ENOMEM;
}

--
1.9.1
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