diff --git a/libfprint/drivers/elan.c b/libfprint/drivers/elan.c
index 21a7053..dfccf1e 100644
--- a/libfprint/drivers/elan.c
+++ b/libfprint/drivers/elan.c
@@ -207,6 +207,7 @@ elan_save_img_frame (FpiDeviceElan *elandev)
 
   unsigned int frame_size = elandev->frame_width * elandev->frame_height;
   unsigned short *frame = g_malloc (frame_size * sizeof (short));
+
   elan_save_frame (elandev, frame);
   unsigned int sum = 0;
 
@@ -244,6 +245,7 @@ elan_process_frame_linear (unsigned short *raw_frame,
   G_DEBUG_HERE ();
 
   unsigned short min = 0xffff, max = 0;
+
   for (int i = 0; i < frame_size; i++)
     {
       if (raw_frame[i] < min)
@@ -255,6 +257,7 @@ elan_process_frame_linear (unsigned short *raw_frame,
   g_assert (max != min);
 
   unsigned short px;
+
   for (int i = 0; i < frame_size; i++)
     {
       px = raw_frame[i];
@@ -278,6 +281,7 @@ elan_process_frame_thirds (unsigned short *raw_frame,
 
   unsigned short lvl0, lvl1, lvl2, lvl3;
   unsigned short *sorted = g_malloc (frame_size * sizeof (short));
+
   memcpy (sorted, raw_frame, frame_size * sizeof (short));
   qsort (sorted, frame_size, sizeof (short), cmp_short);
   lvl0 = sorted[0];
@@ -287,6 +291,7 @@ elan_process_frame_thirds (unsigned short *raw_frame,
   g_free (sorted);
 
   unsigned short px;
+
   for (int i = 0; i < frame_size; i++)
     {
       px = raw_frame[i];
@@ -509,6 +514,7 @@ elan_stop_capture (FpDevice *dev)
 
   FpiSsm *ssm =
     fpi_ssm_new (dev, stop_capture_run_state, STOP_CAPTURE_NUM_STATES);
+
   fpi_ssm_start (ssm, stop_capture_complete);
 }
 
@@ -619,6 +625,7 @@ elan_capture (FpDevice *dev)
   elan_dev_reset_state (self);
   FpiSsm *ssm =
     fpi_ssm_new (dev, capture_run_state, CAPTURE_NUM_STATES);
+
   fpi_ssm_start (ssm, capture_complete);
 }
 
@@ -797,6 +804,7 @@ elan_calibrate (FpDevice *dev)
 
   FpiSsm *ssm = fpi_ssm_new (FP_DEVICE (dev), calibrate_run_state,
                              CALIBRATE_NUM_STATES);
+
   fpi_ssm_start (ssm, calibrate_complete);
 }
 
@@ -892,6 +900,7 @@ elan_activate (FpImageDevice *dev)
   FpiSsm *ssm =
     fpi_ssm_new (FP_DEVICE (dev), activate_run_state,
                  ACTIVATE_NUM_STATES);
+
   fpi_ssm_start (ssm, activate_complete);
 }
 
diff --git a/libfprint/drivers/synaptics/bmkt_message.c b/libfprint/drivers/synaptics/bmkt_message.c
index 59bd62c..bace95c 100644
--- a/libfprint/drivers/synaptics/bmkt_message.c
+++ b/libfprint/drivers/synaptics/bmkt_message.c
@@ -206,6 +206,7 @@ parse_get_enrolled_users_report (bmkt_msg_resp_t *msg_resp, bmkt_response_t *res
   get_enroll_templates_resp->query_sequence = extract8 (msg_resp->payload, &offset);
 
   int n = 0;
+
   for (n = 0; n < BMKT_MAX_NUM_TEMPLATES_INTERNAL_FLASH; n++)
     {
       if (offset >= msg_resp->payload_len)
diff --git a/libfprint/drivers/vfs0050.c b/libfprint/drivers/vfs0050.c
index 0d8b9f5..fcde96f 100644
--- a/libfprint/drivers/vfs0050.c
+++ b/libfprint/drivers/vfs0050.c
@@ -242,6 +242,7 @@ prepare_image (FpDeviceVfs0050 *vdev)
 
   /* Building GSList */
   GSList *lines = NULL;
+
   for (int i = height - 1; i >= 0; --i)
     lines = g_slist_prepend (lines, vdev->lines_buffer + i);
 
@@ -669,6 +670,7 @@ dev_activate (FpImageDevice *idev)
   self->ssm_active = 1;
 
   FpiSsm *ssm = fpi_ssm_new (FP_DEVICE (idev), activate_ssm, SSM_STATES);
+
   fpi_ssm_start (ssm, dev_activate_callback);
 }
 
@@ -712,6 +714,7 @@ dev_open (FpImageDevice *idev)
 
   /* Clearing previous device state */
   FpiSsm *ssm = fpi_ssm_new (FP_DEVICE (idev), activate_ssm, SSM_STATES);
+
   fpi_ssm_start (ssm, dev_open_callback);
 }
 
diff --git a/libfprint/drivers/virtual-image.c b/libfprint/drivers/virtual-image.c
index 5ca68a1..2962128 100644
--- a/libfprint/drivers/virtual-image.c
+++ b/libfprint/drivers/virtual-image.c
@@ -252,6 +252,7 @@ dev_init (FpImageDevice *dev)
   g_autoptr(GSocketListener) listener = NULL;
   FpDeviceVirtualImage *self = FPI_DEVICE_VIRTUAL_IMAGE (dev);
   const char *env;
+
   g_autoptr(GSocketAddress) addr = NULL;
   G_DEBUG_HERE ();
 
diff --git a/tests/test-fpi-device.c b/tests/test-fpi-device.c
index 5a7b6ad..f78517f 100644
--- a/tests/test-fpi-device.c
+++ b/tests/test-fpi-device.c
@@ -1493,6 +1493,7 @@ test_driver_list (void)
   g_autoptr(FpAutoCloseDevice) device = auto_close_fake_device_new ();
   FpDeviceClass *dev_class = FP_DEVICE_GET_CLASS (device);
   FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
+
   g_autoptr(GPtrArray) prints = g_ptr_array_new_with_free_func (g_object_unref);
   unsigned int i;
 
@@ -1515,6 +1516,7 @@ test_driver_list_error (void)
   g_autoptr(FpAutoCloseDevice) device = auto_close_fake_device_new ();
   FpDeviceClass *dev_class = FP_DEVICE_GET_CLASS (device);
   FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
+
   g_autoptr(GPtrArray) prints = NULL;
 
   fake_dev->ret_error = fpi_device_error_new (FP_DEVICE_ERROR_GENERAL);
diff --git a/tests/test-fpi-ssm.c b/tests/test-fpi-ssm.c
index 910ec41..32b3179 100644
--- a/tests/test-fpi-ssm.c
+++ b/tests/test-fpi-ssm.c
@@ -1172,6 +1172,7 @@ test_ssm_subssm_start (void)
   g_autoptr(FpiSsm) subssm =
     ssm_test_new_full (FPI_TEST_SSM_STATE_NUM, "FPI_TEST_SUB_SSM");
   FpiSsmTestData *data = fpi_ssm_get_data (ssm);
+
   g_autoptr(FpiSsmTestData) subdata =
     fpi_ssm_test_data_ref (fpi_ssm_get_data (subssm));
 
@@ -1262,6 +1263,7 @@ test_ssm_subssm_start_with_started (void)
   g_autoptr(FpiSsm) subssm =
     ssm_test_new_full (FPI_TEST_SSM_STATE_NUM, "FPI_TEST_SUB_SSM");
   FpiSsmTestData *data = fpi_ssm_get_data (ssm);
+
   g_autoptr(FpiSsmTestData) subdata =
     fpi_ssm_test_data_ref (fpi_ssm_get_data (subssm));
 
@@ -1305,6 +1307,7 @@ test_ssm_subssm_start_with_delayed (void)
   g_autoptr(FpiSsm) subssm =
     ssm_test_new_full (FPI_TEST_SSM_STATE_NUM, "FPI_TEST_SUB_SSM");
   FpiSsmTestData *data = fpi_ssm_get_data (ssm);
+
   g_autoptr(FpiSsmTestData) subdata =
     fpi_ssm_test_data_ref (fpi_ssm_get_data (subssm));
   gpointer timeout_tracker = GUINT_TO_POINTER (TRUE);