st-probe: Fix segfault when programmer is already busy and null pointers are in the...

[fw/stlink] / src / st-probe.c

diff --git a/src/st-probe.c b/src/st-probe.c
index f5cf3d8291c5e63a0af7dd006c1594cd2115ce4b..b58bb7ad6cbe3fd9695d3d287e75141627809663 100644 (file)
--- a/src/st-probe.c
+++ b/src/st-probe.c
@@ -8,6 +8,9 @@ void stlink_print_info(stlink_t *sl)
 {
        const chip_params_t *params = NULL;
 
+       if (!sl)
+               return;
+
        for (size_t n = 0; n < sizeof(sl->serial); n++)
                printf("%02x", sl->serial[n]);
        printf("\n");