[SCSI] qla2xxx: fix RSCN handling on big-endian systems

qla2xxx driver fails to handle RSCN events affecting area or domain due
to an endian issue on big endian systems.  This fixes the port_id_t
structure on big endian systems.

Signed-off-by: Malahal Naineni <malahal@us.ibm.com>
Acked-by: Seokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 05f4f2a..e8948b6 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -1478,14 +1478,17 @@ typedef union {
        uint32_t b24 : 24;
 
        struct {
-               uint8_t d_id[3];
-               uint8_t rsvd_1;
-       } r;
-
-       struct {
+#ifdef __BIG_ENDIAN
+               uint8_t domain;
+               uint8_t area;
+               uint8_t al_pa;
+#elif __LITTLE_ENDIAN
                uint8_t al_pa;
                uint8_t area;
                uint8_t domain;
+#else
+#error "__BIG_ENDIAN or __LITTLE_ENDIAN must be defined!"
+#endif
                uint8_t rsvd_1;
        } b;
 } port_id_t;