If kmalloc() fails, warnings will be loud enough. We can safely just return -ENOMEM in such cases.
Signed-off-by: Daniel Mack zonque@gmail.com --- sound/usb/mixer.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-)
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index e13e0c1..ccdd4cb 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -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); @@ -2075,7 +2066,6 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid,
kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); if (!kctl) { - usb_audio_err(state->chip, "cannot malloc kcontrol\n"); kfree(namelist); kfree(cval); return -ENOMEM;