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Commit a860d95f authored by Daniel Mack's avatar Daniel Mack Committed by Takashi Iwai
Browse files

ALSA: snd-usb: mixer: remove error messages on failed kmalloc() 



If kmalloc() fails, warnings will be loud enough. We can safely just
return -ENOMEM in such cases.

Signed-off-by: default avatarDaniel Mack <zonque@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 6bc170e4

sound/usb/mixer.c

+3 −12
Original line number Diff line number Diff line
@@ -1229,10 +1229,8 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, 
		return;



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

	if (!cval) {

		usb_audio_err(state->chip, "cannot malloc kcontrol\n");

	if (!cval)

		return;

	}

	cval->mixer = state->mixer;

	cval->id = unitid;

	cval->control = control;
@@ -1815,10 +1813,8 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, 
		if (check_ignored_ctl(map))

			continue;

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

		if (!cval) {

			usb_audio_err(state->chip, "cannot malloc kcontrol\n");

		if (!cval)

			return -ENOMEM;

		}

		cval->mixer = state->mixer;

		cval->id = unitid;

		cval->control = valinfo->control;
@@ -1849,7 +1845,6 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, 


		kctl = snd_ctl_new1(&mixer_procunit_ctl, cval);

		if (!kctl) {

			usb_audio_err(state->chip, "cannot malloc kcontrol\n");

			kfree(cval);

			return -ENOMEM;

		}
@@ -2028,10 +2023,8 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, 
		return 0;



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

	if (!cval) {

		usb_audio_err(state->chip, "cannot malloc kcontrol\n");

	if (!cval)

		return -ENOMEM;

	}

	cval->mixer = state->mixer;

	cval->id = unitid;

	cval->val_type = USB_MIXER_U8;
@@ -2048,7 +2041,6 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, 


	namelist = kmalloc(sizeof(char *) * desc->bNrInPins, GFP_KERNEL);

	if (!namelist) {

		usb_audio_err(state->chip, "cannot malloc\n");

		kfree(cval);

		return -ENOMEM;

	}
@@ -2058,7 +2050,6 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, 
		len = 0;

		namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL);

		if (!namelist[i]) {

			usb_audio_err(state->chip, "cannot malloc\n");

			while (i--)

				kfree(namelist[i]);

			kfree(namelist);