ALSA: riptide: check kzalloc() result

If kzalloc() fails exit with -ENOMEM.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index 59d79962f236..f64fb7d988cb 100644
--- a/sound/pci/riptide/riptide.c
+++ b/sound/pci/riptide/riptide.c
@@ -1615,7 +1615,10 @@ static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
 
         chip->playback_substream[sub_num] = substream;
         runtime->hw = snd_riptide_playback;
+
         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
+        if (data == NULL)
+                return -ENOMEM;
         data->paths = lbus_play_paths[sub_num];
         data->id = play_ids[sub_num];
         data->source = play_sources[sub_num];
@@ -1635,7 +1638,10 @@ static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
 
         chip->capture_substream = substream;
         runtime->hw = snd_riptide_capture;
+
         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
+        if (data == NULL)
+                return -ENOMEM;
         data->paths = lbus_rec_path;
         data->id = PADC;
         data->source = ACLNK2PADC;