From: Quinn Tran <qutran@marvell.com>
Date: Thu, 3 Sep 2020 21:51:21 -0700
Subject: scsi: qla2xxx: Fix memory size truncation
Patch-mainline: v5.10-rc1
Git-commit: d38cb849e17a34637b97ce57c550ec70d63dd39a
References: bsc#1176946 bsc#1175520 bsc#1172538
Memory size calculations for Extended Login used in hardware offload got
truncated. Fix this by changing definition of exlogin_size to use uint32_t.
Link: https://lore.kernel.org/r/20200904045128.23631-7-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Daniel Wagner <dwagner@suse.de>
---
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(-)
--- 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
--- 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 *
* 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
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__);
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -4392,11 +4392,12 @@ 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))