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Diffstat (limited to 'firmware/2lib/2stub.c')
-rw-r--r--firmware/2lib/2stub.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/firmware/2lib/2stub.c b/firmware/2lib/2stub.c
index 971286cc..2e08de97 100644
--- a/firmware/2lib/2stub.c
+++ b/firmware/2lib/2stub.c
@@ -16,7 +16,8 @@ void vb2ex_printf(const char *func, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
- fprintf(stderr, "%s: ", func);
+ if (func)
+ fprintf(stderr, "%s: ", func);
vfprintf(stderr, fmt, ap);
va_end(ap);
}