X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Flog.c;h=1b01afee3368df65c02e2c847e219c59d17c16b8;hb=d4915da66285a2ad324432b7fc28add3bbc70191;hp=669d442bb9c411cf2722c22bc836ac5fdf2f605f;hpb=f403ab46a59cd93ccc6d6ef9216f184fa73c0371;p=libsigrok.git

diff --git a/src/log.c b/src/log.c
index 669d442b..1b01afee 100644
--- a/src/log.c
+++ b/src/log.c
@@ -260,6 +260,10 @@ SR_PRIV int sr_log(int loglevel, const char *format, ...)
 	if (loglevel > cur_loglevel)
 		return SR_OK;
 
+	/* Silently succeed when no logging callback is registered. */
+	if (!sr_log_cb)
+		return SR_OK;
+
 	va_start(args, format);
 	ret = sr_log_cb(sr_log_cb_data, loglevel, format, args);
 	va_end(args);