diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-03-02 18:18:24 (GMT) |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-03-03 11:15:03 (GMT) |
| commit | 88e8b9a84b41be8ea37cf3bbe192e72f84747f66 (patch) | |
| tree | 5a86710db573932a0308c3aefa900b6233362c64 /sound | |
| parent | 12ea2c782e8bd98bcbf88165b2fd1610d1b9a81d (diff) | |
| download | linux-88e8b9a84b41be8ea37cf3bbe192e72f84747f66.tar.xz | |
ASoC: Check for a CODEC before dereferencing in DAPM
A CODEC pointer is optional (and is checked for in most contexts within
DAPM) - add checks to the few places where it was missed.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/soc-dapm.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 8240ab8..570db88 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1517,7 +1517,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm, char prefixed_source[80]; int ret = 0; - if (dapm->codec->name_prefix) { + if (dapm->codec && dapm->codec->name_prefix) { snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s", dapm->codec->name_prefix, route->sink); sink = prefixed_sink; @@ -2167,14 +2167,14 @@ int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, return -ENOMEM; name_len = strlen(widget->name) + 1; - if (dapm->codec->name_prefix) + if (dapm->codec && dapm->codec->name_prefix) name_len += 1 + strlen(dapm->codec->name_prefix); w->name = kmalloc(name_len, GFP_KERNEL); if (w->name == NULL) { kfree(w); return -ENOMEM; } - if (dapm->codec->name_prefix) + if (dapm->codec && dapm->codec->name_prefix) snprintf(w->name, name_len, "%s %s", dapm->codec->name_prefix, widget->name); else |