V4L/DVB (7756): ivtv: use strlcpy instead of strcpy

Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/ivtv/ivtv-cards.c

@@ -1122,7 +1122,8 @@ int ivtv_get_input(struct ivtv *itv, u16 index, struct v4l2_input *input)
 	if (index >= itv->nof_inputs)
 		return -EINVAL;
 	input->index = index;
-	strcpy(input->name, input_strs[card_input->video_type - 1]);
+	strlcpy(input->name, input_strs[card_input->video_type - 1],
+			sizeof(input->name));
 	input->type = (card_input->video_type == IVTV_CARD_INPUT_VID_TUNER ?
 			V4L2_INPUT_TYPE_TUNER : V4L2_INPUT_TYPE_CAMERA);
 	input->audioset = (1 << itv->nof_audio_inputs) - 1;
@@ -1139,7 +1140,7 @@ int ivtv_get_output(struct ivtv *itv, u16 index, struct v4l2_output *output)
 	if (index >= itv->card->nof_outputs)
 		return -EINVAL;
 	output->index = index;
-	strcpy(output->name, card_output->name);
+	strlcpy(output->name, card_output->name, sizeof(output->name));
 	output->type = V4L2_OUTPUT_TYPE_ANALOG;
 	output->audioset = 1;
 	output->std = V4L2_STD_ALL;
@@ -1158,7 +1159,8 @@ int ivtv_get_audio_input(struct ivtv *itv, u16 index, struct v4l2_audio *audio)
 	memset(audio, 0, sizeof(*audio));
 	if (index >= itv->nof_audio_inputs)
 		return -EINVAL;
-	strcpy(audio->name, input_strs[aud_input->audio_type - 1]);
+	strlcpy(audio->name, input_strs[aud_input->audio_type - 1],
+			sizeof(audio->name));
 	audio->index = index;
 	audio->capability = V4L2_AUDCAP_STEREO;
 	return 0;
@@ -1169,6 +1171,6 @@ int ivtv_get_audio_output(struct ivtv *itv, u16 index, struct v4l2_audioout *aud
 	memset(aud_output, 0, sizeof(*aud_output));
 	if (itv->card->video_outputs == NULL || index != 0)
 		return -EINVAL;
-	strcpy(aud_output->name, "A/V Audio Out");
+	strlcpy(aud_output->name, "A/V Audio Out", sizeof(aud_output->name));
 	return 0;
 }

drivers/media/video/ivtv/ivtv-i2c.c

@@ -167,7 +167,8 @@ int ivtv_i2c_register(struct ivtv *itv, unsigned idx)
 		return -1;
 	id = hw_driverids[idx];
 	memset(&info, 0, sizeof(info));
-	strcpy(info.driver_name, hw_drivernames[idx]);
+	strlcpy(info.driver_name, hw_drivernames[idx],
+			sizeof(info.driver_name));
 	info.addr = hw_addrs[idx];
 	for (i = 0; itv->i2c_clients[i] && i < I2C_CLIENTS_MAX; i++) {}
 

drivers/media/video/ivtv/ivtv-ioctl.c

@@ -741,10 +741,9 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
 		struct v4l2_capability *vcap = arg;
 
 		memset(vcap, 0, sizeof(*vcap));
-		strcpy(vcap->driver, IVTV_DRIVER_NAME);     /* driver name */
-		strncpy(vcap->card, itv->card_name,
-				sizeof(vcap->card)-1); 	    /* card type */
-		strcpy(vcap->bus_info, pci_name(itv->dev)); /* bus info... */
+		strlcpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver));
+		strlcpy(vcap->card, itv->card_name, sizeof(vcap->card));
+		strlcpy(vcap->bus_info, pci_name(itv->dev), sizeof(vcap->bus_info));
 		vcap->version = IVTV_DRIVER_VERSION; 	    /* version */
 		vcap->capabilities = itv->v4l2_cap; 	    /* capabilities */
 
@@ -1018,7 +1017,7 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
 				ivtv_std_60hz : ivtv_std_50hz;
 		vs->index = idx;
 		vs->id = enum_stds[idx].std;
-		strcpy(vs->name, enum_stds[idx].name);
+		strlcpy(vs->name, enum_stds[idx].name, sizeof(vs->name));
 		break;
 	}
 
@@ -1102,10 +1101,10 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void
 		ivtv_call_i2c_clients(itv, VIDIOC_G_TUNER, vt);
 
 		if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) {
-			strcpy(vt->name, "ivtv Radio Tuner");
+			strlcpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name));
 			vt->type = V4L2_TUNER_RADIO;
 		} else {
-			strcpy(vt->name, "ivtv TV Tuner");
+			strlcpy(vt->name, "ivtv TV Tuner", sizeof(vt->name));
 			vt->type = V4L2_TUNER_ANALOG_TV;
 		}
 		break;

drivers/media/video/ivtv/ivtvfb.c

@@ -532,7 +532,7 @@ static int ivtvfb_get_fix(struct ivtv *itv, struct fb_fix_screeninfo *fix)
 
 	IVTVFB_DEBUG_INFO("ivtvfb_get_fix\n");
 	memset(fix, 0, sizeof(struct fb_fix_screeninfo));
-	strcpy(fix->id, "cx23415 TV out");
+	strlcpy(fix->id, "cx23415 TV out", sizeof(fix->id));
 	fix->smem_start = oi->video_pbase;
 	fix->smem_len = oi->video_buffer_size;
 	fix->type = FB_TYPE_PACKED_PIXELS;