[PATCH v3 06/13] qla2xxx: Fix memory size truncation

[Nilesh Javali <njavali@xxxxxxxxxxx>]

From: Quinn Tran <qutran@xxxxxxxxxxx>

Memory size calculations for Extended Login used in hardware Offload got
truncated. Fix this by changing definition of exlogin_size to use uint32_t.

Signed-off-by: Quinn Tran <qutran@xxxxxxxxxxx>
Signed-off-by: Nilesh Javali <njavali@xxxxxxxxxxx>
Reviewed-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
---
 drivers/scsi/qla2xxx/qla_def.h | 2 +-
 drivers/scsi/qla2xxx/qla_mbx.c | 7 ++++---
 drivers/scsi/qla2xxx/qla_os.c  | 5 +++--
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 6d6d74e3546c..23438fc8f562 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -4216,7 +4216,7 @@ struct qla_hw_data {
 	/* Extended Logins  */
 	void		*exlogin_buf;
 	dma_addr_t	exlogin_buf_dma;
-	int		exlogin_size;
+	uint32_t	exlogin_size;
 
 #define ENABLE_EXCHANGE_OFFLD	BIT_2
 
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 226f1428d3e5..6ce106096ecc 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -845,7 +845,7 @@ qla_get_exlogin_status(scsi_qla_host_t *vha, uint16_t *buf_sz,
  * Context:
  *	Kernel context.
  */
-#define CONFIG_XLOGINS_MEM	0x3
+#define CONFIG_XLOGINS_MEM	0x9
 int
 qla_set_exlogin_mem_cfg(scsi_qla_host_t *vha, dma_addr_t phys_addr)
 {
@@ -872,8 +872,9 @@ qla_set_exlogin_mem_cfg(scsi_qla_host_t *vha, dma_addr_t phys_addr)
 	mcp->flags = 0;
 	rval = qla2x00_mailbox_command(vha, mcp);
 	if (rval != QLA_SUCCESS) {
-		/*EMPTY*/
-		ql_dbg(ql_dbg_mbx, vha, 0x111b, "Failed=%x.\n", rval);
+		ql_dbg(ql_dbg_mbx, vha, 0x111b,
+		       "EXlogin Failed=%x. MB0=%x MB11=%x\n",
+		       rval, mcp->mb[0], mcp->mb[11]);
 	} else {
 		ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x118c,
 		    "Done %s.\n", __func__);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index f10a43ac1ec7..858549e21aea 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -4379,11 +4379,12 @@ int
 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
 {
 	int rval;
-	uint16_t	size, max_cnt, temp;
+	uint16_t	size, max_cnt;
+	uint32_t temp;
 	struct qla_hw_data *ha = vha->hw;
 
 	/* Return if we don't need to alloacate any extended logins */
-	if (!ql2xexlogins)
+	if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
 		return QLA_SUCCESS;
 
 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
-- 
2.19.0.rc0