[PATCH 1/3] MIPS: OCTEON: board_type_to_string: return NULL for unsupported board

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Return NULL for unsupported board.

Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
---
 arch/mips/cavium-octeon/setup.c              | 9 +++++++--
 arch/mips/include/asm/octeon/cvmx-bootinfo.h | 2 +-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index cd7101f..5be2072 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -468,9 +468,14 @@ static char __read_mostly octeon_system_type[80];
 
 static int __init init_octeon_system_type(void)
 {
+	char const *board_type;
+
+	board_type = cvmx_board_type_to_string(octeon_bootinfo->board_type);
+	if (board_type == NULL)
+		board_type = "Unsupported Board";
+
 	snprintf(octeon_system_type, sizeof(octeon_system_type), "%s (%s)",
-		cvmx_board_type_to_string(octeon_bootinfo->board_type),
-		octeon_model_get_string(read_c0_prid()));
+		 board_type, octeon_model_get_string(read_c0_prid()));
 
 	return 0;
 }
diff --git a/arch/mips/include/asm/octeon/cvmx-bootinfo.h b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
index d92cf59..a00f903 100644
--- a/arch/mips/include/asm/octeon/cvmx-bootinfo.h
+++ b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
@@ -388,7 +388,7 @@ static inline const char *cvmx_board_type_to_string(enum
 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KONTRON_S1901)
 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX)
 	}
-	return "Unsupported Board";
+	return NULL;
 }
 
 #define ENUM_CHIP_TYPE_CASE(x) \
-- 
2.4.0





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