diff options
| author | Richard Zhao <richard.zhao@freescale.com> | 2012-04-24 15:24:43 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-24 12:06:27 +0100 |
| commit | c34ce320d9fe328e3272def20b152f39ccfa045e (patch) | |
| tree | 1c6a22b63fdc18514fe399ca60a7a6a6be3804c9 /sound/soc | |
| parent | ddb6706af3cd372194cecd2cc61950519df620d7 (diff) | |
ASoC: core: check of_property_count_strings failure
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/soc-core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 3a4e93e52b6..b390f00b4e9 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3631,10 +3631,10 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, int i, ret; num_routes = of_property_count_strings(np, propname); - if (num_routes & 1) { + if (num_routes < 0 || num_routes & 1) { dev_err(card->dev, - "Property '%s's length is not even\n", - propname); + "Property '%s' does not exist or its length is not even\n", + propname); return -EINVAL; } num_routes /= 2; |