Merge "free the pcm structure and return &bad_pcm if open fails." am: 3028ab403fandroid-s-beta-4android-s-beta-3android-s-beta-4

Original change: https://android-review.googlesource.com/c/platform/external/tinyalsa/+/1620694

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8f616dc73012170e778c41a22d9d173db5aaf4a8

1 files changed, 2 insertions, 4 deletions

diff --git a/pcm.c b/pcm.c
index c885b44..1d84dc0 100644
--- a/pcm.c
+++ b/pcm.c
@@ -1062,13 +1062,11 @@ fail:
         pcm->ops->munmap(pcm->data, pcm->mmap_buffer, pcm_frames_to_bytes(pcm, pcm->buffer_size));
 fail_close:
     pcm->ops->close(pcm->data);
-    pcm->data = NULL;
-    pcm->fd = -1;
 
 fail_open:
     snd_utils_put_dev_node(pcm->snd_node);
-    pcm->snd_node = NULL;
-    return pcm;
+    free(pcm);
+    return &bad_pcm;
 }
 
 int pcm_is_ready(struct pcm *pcm)