[SCSI] bfa: Replace bfa_get_attr() with specific APIs

bfa_ioc_attr_s is a big structure and some times could cause
stack overflow if defined locally, so add specific APIs that
are needed to replace the use of ioc_attr local var.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/bfad_drv.h b/drivers/scsi/bfa/bfad_drv.h
index 94f4d84c71c9..8617a1aa8b25 100644
--- a/drivers/scsi/bfa/bfad_drv.h
+++ b/drivers/scsi/bfa/bfad_drv.h
@@ -139,6 +139,18 @@ struct bfad_cfg_param_s {
         u32        binding_method;
 };
 
+union bfad_tmp_buf {
+        /* From struct bfa_adapter_attr_s */
+        char            manufacturer[BFA_ADAPTER_MFG_NAME_LEN];
+        char            serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];
+        char            model[BFA_ADAPTER_MODEL_NAME_LEN];
+        char            fw_ver[BFA_VERSION_LEN];
+        char            optrom_ver[BFA_VERSION_LEN];
+
+        /* From struct bfa_ioc_pci_attr_s */
+        u8         chip_rev[BFA_IOC_CHIP_REV_LEN];  /*  chip revision */
+};
+
 /*
  * BFAD (PCI function) data structure
  */
@@ -182,6 +194,7 @@ struct bfad_s {
         struct bfa_plog_s      plog_buf;
         int             ref_count;
         bfa_boolean_t   ipfc_enabled;
+        union bfad_tmp_buf tmp_buf;
         struct fc_host_statistics link_stats;
 
         struct kobject *bfa_kobj;