[PATCH] ppc32: Check return of ppc_sys_get_pdata before accessing pointer
Kumar Gala
galak at freescale.com
Thu Jun 23 06:39:45 EST 2005
Ensure that the returned pointer from ppc_sys_get_pdata is not
NULL before we start using it. This handles any cases where we
have variants of processors on the same board with different
functionality.
Signed-off-by: Kumar Gala <kumar.gala at freescale.com>
---
commit b4b0dd5099cb8f08d57bcbf33fd06997ba993618
tree c176601bbe5bf0692fc6a948787319cb2fa74faa
parent 7d09ea22d5823fde9a508f5e04bd8e93712d6f44
author Kumar K. Gala <kumar.gala at freescale.com> Wed, 22 Jun 2005 10:55:33 -0500
committer Kumar K. Gala <kumar.gala at freescale.com> Wed, 22 Jun 2005 10:55:33 -0500
arch/ppc/platforms/83xx/mpc834x_sys.c | 28 ++++++++++++---------
arch/ppc/platforms/85xx/mpc8540_ads.c | 44 +++++++++++++++++++--------------
arch/ppc/platforms/85xx/mpc8560_ads.c | 28 ++++++++++++---------
arch/ppc/platforms/85xx/sbc8560.c | 28 ++++++++++++---------
arch/ppc/platforms/85xx/stx_gp3.c | 26 +++++++++++---------
5 files changed, 88 insertions(+), 66 deletions(-)
diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.c b/arch/ppc/platforms/83xx/mpc834x_sys.c
--- a/arch/ppc/platforms/83xx/mpc834x_sys.c
+++ b/arch/ppc/platforms/83xx/mpc834x_sys.c
@@ -94,20 +94,24 @@ mpc834x_sys_setup_arch(void)
/* setup the board related information for the enet controllers */
pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC83xx_TSEC1);
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->interruptPHY = MPC83xx_IRQ_EXT1;
- pdata->phyid = 0;
- /* fixup phy address */
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ if (pdata) {
+ pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
+ pdata->interruptPHY = MPC83xx_IRQ_EXT1;
+ pdata->phyid = 0;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ }
pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC83xx_TSEC2);
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->interruptPHY = MPC83xx_IRQ_EXT2;
- pdata->phyid = 1;
- /* fixup phy address */
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ if (pdata) {
+ pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
+ pdata->interruptPHY = MPC83xx_IRQ_EXT2;
+ pdata->phyid = 1;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ }
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
diff --git a/arch/ppc/platforms/85xx/mpc8540_ads.c b/arch/ppc/platforms/85xx/mpc8540_ads.c
--- a/arch/ppc/platforms/85xx/mpc8540_ads.c
+++ b/arch/ppc/platforms/85xx/mpc8540_ads.c
@@ -92,28 +92,34 @@ mpc8540ads_setup_arch(void)
/* setup the board related information for the enet controllers */
pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1);
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->interruptPHY = MPC85xx_IRQ_EXT5;
- pdata->phyid = 0;
- /* fixup phy address */
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ if (pdata) {
+ pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
+ pdata->interruptPHY = MPC85xx_IRQ_EXT5;
+ pdata->phyid = 0;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ }
pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2);
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->interruptPHY = MPC85xx_IRQ_EXT5;
- pdata->phyid = 1;
- /* fixup phy address */
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ if (pdata) {
+ pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
+ pdata->interruptPHY = MPC85xx_IRQ_EXT5;
+ pdata->phyid = 1;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ }
- pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_FEC);
- pdata->board_flags = 0;
- pdata->interruptPHY = MPC85xx_IRQ_EXT5;
- pdata->phyid = 3;
- /* fixup phy address */
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enet2addr, 6);
+ if (pdata) {
+ pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_FEC);
+ pdata->board_flags = 0;
+ pdata->interruptPHY = MPC85xx_IRQ_EXT5;
+ pdata->phyid = 3;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enet2addr, 6);
+ }
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
diff --git a/arch/ppc/platforms/85xx/mpc8560_ads.c b/arch/ppc/platforms/85xx/mpc8560_ads.c
--- a/arch/ppc/platforms/85xx/mpc8560_ads.c
+++ b/arch/ppc/platforms/85xx/mpc8560_ads.c
@@ -90,20 +90,24 @@ mpc8560ads_setup_arch(void)
/* setup the board related information for the enet controllers */
pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1);
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->interruptPHY = MPC85xx_IRQ_EXT5;
- pdata->phyid = 0;
- /* fixup phy address */
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ if (pdata) {
+ pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
+ pdata->interruptPHY = MPC85xx_IRQ_EXT5;
+ pdata->phyid = 0;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ }
pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2);
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->interruptPHY = MPC85xx_IRQ_EXT5;
- pdata->phyid = 1;
- /* fixup phy address */
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ if (pdata) {
+ pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
+ pdata->interruptPHY = MPC85xx_IRQ_EXT5;
+ pdata->phyid = 1;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ }
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
diff --git a/arch/ppc/platforms/85xx/sbc8560.c b/arch/ppc/platforms/85xx/sbc8560.c
--- a/arch/ppc/platforms/85xx/sbc8560.c
+++ b/arch/ppc/platforms/85xx/sbc8560.c
@@ -129,20 +129,24 @@ sbc8560_setup_arch(void)
/* setup the board related information for the enet controllers */
pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1);
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->interruptPHY = MPC85xx_IRQ_EXT6;
- pdata->phyid = 25;
- /* fixup phy address */
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ if (pdata) {
+ pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
+ pdata->interruptPHY = MPC85xx_IRQ_EXT6;
+ pdata->phyid = 25;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ }
pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2);
- pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
- pdata->interruptPHY = MPC85xx_IRQ_EXT7;
- pdata->phyid = 26;
- /* fixup phy address */
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ if (pdata) {
+ pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR;
+ pdata->interruptPHY = MPC85xx_IRQ_EXT7;
+ pdata->phyid = 26;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ }
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
diff --git a/arch/ppc/platforms/85xx/stx_gp3.c b/arch/ppc/platforms/85xx/stx_gp3.c
--- a/arch/ppc/platforms/85xx/stx_gp3.c
+++ b/arch/ppc/platforms/85xx/stx_gp3.c
@@ -122,19 +122,23 @@ gp3_setup_arch(void)
/* setup the board related information for the enet controllers */
pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC1);
-/* pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; */
- pdata->interruptPHY = MPC85xx_IRQ_EXT5;
- pdata->phyid = 2;
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ if (pdata) {
+ /* pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; */
+ pdata->interruptPHY = MPC85xx_IRQ_EXT5;
+ pdata->phyid = 2;
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enetaddr, 6);
+ }
pdata = (struct gianfar_platform_data *) ppc_sys_get_pdata(MPC85xx_TSEC2);
-/* pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; */
- pdata->interruptPHY = MPC85xx_IRQ_EXT5;
- pdata->phyid = 4;
- /* fixup phy address */
- pdata->phy_reg_addr += binfo->bi_immr_base;
- memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ if (pdata) {
+ /* pdata->board_flags = FSL_GIANFAR_BRD_HAS_PHY_INTR; */
+ pdata->interruptPHY = MPC85xx_IRQ_EXT5;
+ pdata->phyid = 4;
+ /* fixup phy address */
+ pdata->phy_reg_addr += binfo->bi_immr_base;
+ memcpy(pdata->mac_addr, binfo->bi_enet1addr, 6);
+ }
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
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