[ALSA] vx - Fix memory leak on error path

Modules: Digigram VX core

Noticed by Eric Sesterhenn on kernel-janitors@

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/drivers/vx/vx_pcm.c b/sound/drivers/vx/vx_pcm.c
index 2195e25..c4af849 100644 (file)
--- a/sound/drivers/vx/vx_pcm.c
+++ b/sound/drivers/vx/vx_pcm.c
@@ -1253,9 +1253,13 @@ static int vx_init_audio_io(struct vx_core *chip)
 
        /* allocate pipes */
        chip->playback_pipes = kmalloc(sizeof(struct vx_pipe *) * chip->audio_outs, GFP_KERNEL);
+       if (!chip->playback_pipes)
+               return -ENOMEM;
        chip->capture_pipes = kmalloc(sizeof(struct vx_pipe *) * chip->audio_ins, GFP_KERNEL);
-       if (! chip->playback_pipes || ! chip->capture_pipes)
+       if (!chip->capture_pipes) {
+               kfree(chip->playback_pipes);
                return -ENOMEM;
+       }
 
        memset(chip->playback_pipes, 0, sizeof(struct vx_pipe *) * chip->audio_outs);
        memset(chip->capture_pipes, 0, sizeof(struct vx_pipe *) * chip->audio_ins);