X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fjtag%2Fdriver.c;h=3bce5d5755a183c9f59ca5fa1d94fa1b993a9ae3;hb=d70d9634bf6ab73ec4f2ac1e77012785770b460a;hp=1555561d6c3629c9be53f5e3c7011f0e6bb1aa54;hpb=84df52f9ea78e2d71bde648a16b69d80404c6421;p=openocd.git

diff --git a/src/jtag/driver.c b/src/jtag/driver.c
index 1555561d6c..3bce5d5755 100644
--- a/src/jtag/driver.c
+++ b/src/jtag/driver.c
@@ -418,7 +418,7 @@ int interface_jtag_add_runtest(int num_cycles, tap_state_t state)
 	return ERROR_OK;
 }
 
-int interface_jtag_add_clocks( int num_cycles )
+int interface_jtag_add_clocks(int num_cycles)
 {
 	/* allocate memory for a new list member */
 	jtag_command_t * cmd = cmd_queue_alloc(sizeof(jtag_command_t));
@@ -489,6 +489,11 @@ void interface_jtag_add_callback4(jtag_callback_t callback, jtag_callback_data_t
 
 int interface_jtag_execute_queue(void)
 {
+	static int reentry = 0;
+
+	assert(reentry==0);
+	reentry++;
+
 	int retval = default_interface_jtag_execute_queue();
 	if (retval == ERROR_OK)
 	{
@@ -504,6 +509,8 @@ int interface_jtag_execute_queue(void)
 	jtag_command_queue_reset();
 	jtag_callback_queue_reset();
 
+	reentry--;
+
 	return retval;
 }