diff options
| -rw-r--r-- | src/jtag/drivers/amt_jtagaccel.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/jtag/drivers/amt_jtagaccel.c b/src/jtag/drivers/amt_jtagaccel.c index a433e81e..34a4ae78 100644 --- a/src/jtag/drivers/amt_jtagaccel.c +++ b/src/jtag/drivers/amt_jtagaccel.c @@ -71,14 +71,18 @@ static const int addr_mode = IEEE1284_MODE_EPP | IEEE1284_ADDR; int __retval; \ \ __retval = ioctl(device_handle, PPSETMODE, &addr_mode); \ + assert(__retval >= 0); \ __retval = write(device_handle, &val, 1); \ + assert(__retval >= 0); \ } while (0) #define AMT_AR(val) \ do { \ int __retval; \ \ __retval = ioctl(device_handle, PPSETMODE, &addr_mode); \ + assert(__retval >= 0); \ __retval = read(device_handle, &val, 1); \ + assert(__retval >= 0); \ } while (0) static const int data_mode = IEEE1284_MODE_EPP | IEEE1284_DATA; @@ -88,14 +92,18 @@ static const int data_mode = IEEE1284_MODE_EPP | IEEE1284_DATA; int __retval; \ \ __retval = ioctl(device_handle, PPSETMODE, &data_mode); \ + assert(__retval >= 0); \ __retval = write(device_handle, &val, 1); \ + assert(__retval >= 0); \ } while (0) #define AMT_DR(val) \ do { \ int __retval; \ \ __retval = ioctl(device_handle, PPSETMODE, &data_mode); \ + assert(__retval >= 0); \ __retval = read(device_handle, &val, 1); \ + assert(__retval >= 0); \ } while (0) #else |