Commit a9b25e8a authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: usb-audio: Use safer strscpy() instead of strcpy() 



Use a safer function strscpy() instead of strcpy() for copying to
arrays.

Only idiomatic code replacement, and no functional changes.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250710100727.22653-100-tiwai@suse.de
parent 414e4f01

sound/usb/card.c

+1 −1
Original line number Diff line number Diff line
@@ -756,7 +756,7 @@ static int snd_usb_audio_create(struct usb_interface *intf, 


	card->private_free = snd_usb_audio_free;



	strcpy(card->driver, "USB-Audio");

	strscpy(card->driver, "USB-Audio");

	sprintf(component, "USB%04x:%04x",

		USB_ID_VENDOR(chip->usb_id), USB_ID_PRODUCT(chip->usb_id));

	snd_component_add(card, component);

sound/usb/midi.c

+1 −1
Original line number Diff line number Diff line
@@ -2407,7 +2407,7 @@ static int snd_usbmidi_create_rawmidi(struct snd_usb_midi *umidi, 
			      out_ports, in_ports, &rmidi);

	if (err < 0)

		return err;

	strcpy(rmidi->name, umidi->card->shortname);

	strscpy(rmidi->name, umidi->card->shortname);

	rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT |

			    SNDRV_RAWMIDI_INFO_INPUT |

			    SNDRV_RAWMIDI_INFO_DUPLEX;

sound/usb/mixer.c

+1 −1
Original line number Diff line number Diff line
@@ -3569,7 +3569,7 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif) 
	struct usb_mixer_interface *mixer;

	int err;



	strcpy(chip->card->mixername, "USB Mixer");

	strscpy(chip->card->mixername, "USB Mixer");



	mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);

	if (!mixer)

sound/usb/stream.c

+1 −1
Original line number Diff line number Diff line
@@ -538,7 +538,7 @@ static int __snd_usb_add_audio_stream(struct snd_usb_audio *chip, 
	if (chip->pcm_devs > 0)

		sprintf(pcm->name, "USB Audio #%d", chip->pcm_devs);

	else

		strcpy(pcm->name, "USB Audio");

		strscpy(pcm->name, "USB Audio");



	snd_usb_init_substream(as, stream, fp, pd);