[PATCH] board: freescale: Replace invalid usage of sprintf by strcat

[Francois Berder]

buf was used as destination and as parameter to sprintf
which triggers an undefined behaviour.
This commit removes this usage of sprintf and uses strcat
to append strings to buf variable.

Signed-off-by: Francois Berder <fberder at outlook.fr>
---
 board/freescale/t208xqds/eth_t208xqds.c | 40 ++++++++++++-------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/board/freescale/t208xqds/eth_t208xqds.c b/board/freescale/t208xqds/eth_t208xqds.c
index 9f299227e2..b55078c8fe 100644
--- a/board/freescale/t208xqds/eth_t208xqds.c
+++ b/board/freescale/t208xqds/eth_t208xqds.c
@@ -210,8 +210,8 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 				fdt_set_phy_handle(fdt, compat, addr,
 						   "phy_1gkx1");
 				fdt_status_okay_by_alias(fdt, "1gkx_pcs_mdio1");
-				sprintf(buf, "%s%s%s", buf, "lane-c,",
-						(char *)lane_mode[0]);
+				strcat(buf, "lane-c,");
+				strcat(buf, (char *)lane_mode[0]);
 				out_be32(&srds_regs->srdspccr1, srds1_pccr1 |
 					 PCCR1_SGMIIH_KX_MASK);
 				break;
@@ -222,8 +222,8 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 				fdt_set_phy_handle(fdt, compat, addr,
 						   "phy_1gkx2");
 				fdt_status_okay_by_alias(fdt, "1gkx_pcs_mdio2");
-				sprintf(buf, "%s%s%s", buf, "lane-d,",
-						(char *)lane_mode[0]);
+				strcat(buf, "lane-d,");
+				strcat(buf, (char *)lane_mode[0]);
 				out_be32(&srds_regs->srdspccr1, srds1_pccr1 |
 					 PCCR1_SGMIIG_KX_MASK);
 				break;
@@ -234,8 +234,8 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 				fdt_set_phy_handle(fdt, compat, addr,
 						   "phy_1gkx9");
 				fdt_status_okay_by_alias(fdt, "1gkx_pcs_mdio9");
-				sprintf(buf, "%s%s%s", buf, "lane-a,",
-						(char *)lane_mode[0]);
+				strcat(buf, "lane-a,");
+				strcat(buf, (char *)lane_mode[0]);
 				out_be32(&srds_regs->srdspccr1, srds1_pccr1 |
 					 PCCR1_SGMIIE_KX_MASK);
 				break;
@@ -247,8 +247,8 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 						   "phy_1gkx10");
 				fdt_status_okay_by_alias(fdt,
 							 "1gkx_pcs_mdio10");
-				sprintf(buf, "%s%s%s", buf, "lane-b,",
-						(char *)lane_mode[0]);
+				strcat(buf, "lane-b,");
+				strcat(buf, (char *)lane_mode[0]);
 				out_be32(&srds_regs->srdspccr1, srds1_pccr1 |
 					 PCCR1_SGMIIF_KX_MASK);
 				break;
@@ -269,8 +269,8 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 				fdt_set_phy_handle(fdt, compat, addr,
 						   "phy_1gkx5");
 				fdt_status_okay_by_alias(fdt, "1gkx_pcs_mdio5");
-				sprintf(buf, "%s%s%s", buf, "lane-g,",
-						(char *)lane_mode[0]);
+				strcat(buf, "lane-g,");
+				strcat(buf, (char *)lane_mode[0]);
 				out_be32(&srds_regs->srdspccr1, srds1_pccr1 |
 					 PCCR1_SGMIIC_KX_MASK);
 				break;
@@ -281,8 +281,8 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 				fdt_set_phy_handle(fdt, compat, addr,
 						   "phy_1gkx6");
 				fdt_status_okay_by_alias(fdt, "1gkx_pcs_mdio6");
-				sprintf(buf, "%s%s%s", buf, "lane-h,",
-						(char *)lane_mode[0]);
+				strcat(buf, "lane-h,");
+				strcat(buf, (char *)lane_mode[0]);
 				out_be32(&srds_regs->srdspccr1, srds1_pccr1 |
 					 PCCR1_SGMIID_KX_MASK);
 				break;
@@ -328,8 +328,8 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 				fdt_set_phy_handle(fdt, compat, addr,
 						"phy_xfi9");
 				fdt_status_okay_by_alias(fdt, "xfi_pcs_mdio9");
-				sprintf(buf, "%s%s%s", buf, "lane-a,",
-						(char *)lane_mode[1]);
+				strcat(buf, "lane-a,");
+				strcat(buf, (char *)lane_mode[1]);
 			}
 				break;
 			case FM1_10GEC2:
@@ -339,8 +339,8 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 				fdt_set_phy_handle(fdt, compat, addr,
 						"phy_xfi10");
 				fdt_status_okay_by_alias(fdt, "xfi_pcs_mdio10");
-				sprintf(buf, "%s%s%s", buf, "lane-b,",
-						(char *)lane_mode[1]);
+				strcat(buf, "lane-b,");
+				strcat(buf, (char *)lane_mode[1]);
 			}
 				break;
 			case FM1_10GEC3:
@@ -350,8 +350,8 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 				fdt_set_phy_handle(fdt, compat, addr,
 						"phy_xfi1");
 				fdt_status_okay_by_alias(fdt, "xfi_pcs_mdio1");
-				sprintf(buf, "%s%s%s", buf, "lane-c,",
-						(char *)lane_mode[1]);
+				strcat(buf, "lane-c,");
+				strcat(buf, (char *)lane_mode[1]);
 			}
 				break;
 			case FM1_10GEC4:
@@ -361,8 +361,8 @@ void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 				fdt_set_phy_handle(fdt, compat, addr,
 						"phy_xfi2");
 				fdt_status_okay_by_alias(fdt, "xfi_pcs_mdio2");
-				sprintf(buf, "%s%s%s", buf, "lane-d,",
-						(char *)lane_mode[1]);
+				strcat(buf, "lane-d,");
+				strcat(buf, (char *)lane_mode[1]);
 			}
 				break;
 			default:
-- 
2.34.1