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: Daniel Mack <zonque@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 9765e1c..0b728d8 100644 (file)
--- 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);