From: Jaroslav Kysela <perex@perex.cz>
Date: Fri, 28 Feb 2003 20:32:07 +0000 (+0000)
Subject: Fixed nasty bug when we used more ipc buffers for interleaved access
X-Git-Tag: v1.0.3~239
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=8faee9967f8b4f206400b6a2761fa3450ebc9638;p=alsa-lib.git

Fixed nasty bug when we used more ipc buffers for interleaved access
---

diff --git a/src/pcm/pcm_mmap.c b/src/pcm/pcm_mmap.c
index 09a46907..92320942 100644
--- a/src/pcm/pcm_mmap.c
+++ b/src/pcm/pcm_mmap.c
@@ -363,6 +363,17 @@ int snd_pcm_mmap(snd_pcm_t *pcm)
 					}
 					i->u.shm.shmid = id;
 					i->u.shm.remove = 1;
+					if (pcm->access == SND_PCM_ACCESS_MMAP_INTERLEAVED ||
+					    pcm->access == SND_PCM_ACCESS_RW_INTERLEAVED) {
+					    	unsigned int c1;
+						for (c1 = c + 1; c1 < pcm->channels; c1++) {
+							snd_pcm_channel_info_t *i1 = &pcm->mmap_channels[c1];
+							if (i1->u.shm.shmid < 0) {
+								i1->u.shm.shmid = id;
+								i1->u.shm.remove = 1;
+							}
+						}
+					}
 				}
 				ptr = shmat(i->u.shm.shmid, 0, 0);
 				if (ptr == (void*) -1) {