Assign the return value of snprintf (total length) to a variable to
properly check if the string has the correct length.

Currently, this variable is always zero and the length check after
snprintf will always fail.

Signed-off-by: Daniel Schultz <[email protected]>
---
No changes between v1 and v2.

 board/phytec/common/phytec_som_detection.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/board/phytec/common/phytec_som_detection.c 
b/board/phytec/common/phytec_som_detection.c
index 136f4486eb0..ff1711c24b4 100644
--- a/board/phytec/common/phytec_som_detection.c
+++ b/board/phytec/common/phytec_som_detection.c
@@ -346,8 +346,8 @@ static int phytec_get_part_number(struct phytec_eeprom_data 
*data,
                return 0;
        }
        if (api2->som_type <= 3) {
-               snprintf(part, PHYTEC_PART_NUMBER_MAX_LEN + 1, "%s.%s",
-                        product_name, api2->bom_rev);
+               len = snprintf(part, PHYTEC_PART_NUMBER_MAX_LEN + 1, "%s.%s",
+                              product_name, api2->bom_rev);
                if (len != PHYTEC_PART_NUMBER_KSP_LEN)
                        return -EINVAL;
                return 0;
-- 
2.25.1

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