[SCSI] qla2xxx: Add mutex around optrom calls to serialize accesses.
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 266724b..7c69729 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -3183,6 +3183,7 @@
#define QLA_SWRITING 2
uint32_t optrom_region_start;
uint32_t optrom_region_size;
+ struct mutex optrom_mutex;
/* PCI expansion ROM image information. */
#define ROM_CODE_TYPE_BIOS 0