board: phytec: imx8m_som_detection: fix uninitialized pointer bug

Pointer in phytec_imx8m_detect was accessed without checking it first.
Fix this by moving the pointer check in front of any accesses.

Signed-off-by: Yannic Moog <y.moog@phytec.de>

diff --git a/board/phytec/common/imx8m_som_detection.c b/board/phytec/common/imx8m_som_detection.c
index 45f5767..a229eae 100644 (file)
--- a/board/phytec/common/imx8m_som_detection.c
+++ b/board/phytec/common/imx8m_som_detection.c
@@ -28,13 +28,13 @@ int __maybe_unused phytec_imx8m_detect(struct phytec_eeprom_data *data)
        char *opt;
        u8 som;
 
+       if (!data)
+               data = &eeprom_data;
+
        /* We can not do the check for early API revisions */
        if (data->api_rev < PHYTEC_API_REV2)
                return -1;
 
-       if (!data)
-               data = &eeprom_data;
-
        som = data->data.data_api2.som_no;
        debug("%s: som id: %u\n", __func__, som);