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| author | Mark Brown <broonie@kernel.org> | 2014-10-08 17:44:49 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-10-08 17:44:49 +0200 |
| commit | 699f8584305cb5b4ba69c6880c64be1f8f15a563 (patch) | |
| tree | 3b9972977d91aa16767962d8505a8c7008d06d25 /sound | |
| parent | Merge remote-tracking branch 'asoc/fix/core' into asoc-linus (diff) | |
| parent | ASoC: soc-dapm: fix use after free (diff) | |
| download | linux-699f8584305cb5b4ba69c6880c64be1f8f15a563.tar.xz linux-699f8584305cb5b4ba69c6880c64be1f8f15a563.zip | |
Merge remote-tracking branch 'asoc/fix/dapm' into asoc-linus
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/soc-dapm.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 2c456a376ade..c61cb9cedbcd 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -592,9 +592,9 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w, int shared; struct snd_kcontrol *kcontrol; bool wname_in_long_name, kcname_in_long_name; - char *long_name; + char *long_name = NULL; const char *name; - int ret; + int ret = 0; prefix = soc_dapm_prefix(dapm); if (prefix) @@ -653,15 +653,17 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w, kcontrol = snd_soc_cnew(&w->kcontrol_news[kci], NULL, name, prefix); - kfree(long_name); - if (!kcontrol) - return -ENOMEM; + if (!kcontrol) { + ret = -ENOMEM; + goto exit_free; + } + kcontrol->private_free = dapm_kcontrol_free; ret = dapm_kcontrol_data_alloc(w, kcontrol); if (ret) { snd_ctl_free_one(kcontrol); - return ret; + goto exit_free; } ret = snd_ctl_add(card, kcontrol); @@ -669,17 +671,18 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w, dev_err(dapm->dev, "ASoC: failed to add widget %s dapm kcontrol %s: %d\n", w->name, name, ret); - return ret; + goto exit_free; } } ret = dapm_kcontrol_add_widget(kcontrol, w); - if (ret) - return ret; + if (ret == 0) + w->kcontrols[kci] = kcontrol; - w->kcontrols[kci] = kcontrol; +exit_free: + kfree(long_name); - return 0; + return ret; } /* create new dapm mixer control */ |