X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fjtag%2Fdrivers%2Fdriver.c;h=45c5d10afa8b4730cf78f83d8513620139b64f26;hb=ff5deeeeaa4f394931e3c5ccfb4cfd33beda0743;hp=c57386a4b12e802eb38eaa1b36ac4f3a59a635d1;hpb=97de520bc02f96f31063175fbc9cad034e84055d;p=openocd.git

diff --git a/src/jtag/drivers/driver.c b/src/jtag/drivers/driver.c
index c57386a4b1..45c5d10afa 100644
--- a/src/jtag/drivers/driver.c
+++ b/src/jtag/drivers/driver.c
@@ -215,7 +215,10 @@ int interface_jtag_add_dr_scan(int in_num_fields, const struct scan_field *in_fi
 
 		if (!tap->bypass)
 		{
-			struct scan_field * start_field = field;	/* keep initial position for assert() */
+#ifndef NDEBUG
+			/* remember initial position for assert() */
+			struct scan_field *start_field = field;
+#endif /* NDEBUG */
 
 			for (int j = 0; j < in_num_fields; j++)
 			{