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| author | Mengdong Lin <mengdong.lin@intel.com> | 2013-03-07 23:10:25 +0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-03-07 12:12:14 +0400 |
| commit | 25336e8ae2d2fa64c9c4cc2c9c28f641134c9fa9 (patch) | |
| tree | 3a3d8caab99e648f8875f5ec2becf58226d3fd29 | |
| parent | 9fedcc44f10d1e6820914f93a96d51bc7e653d98 (diff) | |
| download | linux-25336e8ae2d2fa64c9c4cc2c9c28f641134c9fa9.tar.xz | |
ALSA: hda - check NULL pointer when creating SPDIF controls
If the SPDIF control array cannot be reallocated, the function
will return to avoid dereferencing a NULL pointer.
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 04b57383e8cb..3dc656688c08 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -3334,6 +3334,8 @@ int snd_hda_create_dig_out_ctls(struct hda_codec *codec, return -EBUSY; } spdif = snd_array_new(&codec->spdif_out); + if (!spdif) + return -ENOMEM; for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) { kctl = snd_ctl_new1(dig_mix, codec); if (!kctl) |