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authorClemens Ladisch <clemens@ladisch.de>2005-11-20 16:09:05 +0300
committerJaroslav Kysela <perex@suse.cz>2006-01-03 14:29:21 +0300
commitd001544ded23ddb1116f945ccc2d89a7f98ab7e8 (patch)
tree721fbc6355acfb886817e2b120f198383c5e6ae6 /sound/core/sound_oss.c
parent204bdb1b50013c7aa3922d8b66df943123087bd8 (diff)
downloadlinux-d001544ded23ddb1116f945ccc2d89a7f98ab7e8.tar.xz
[ALSA] dynamic minors (6/6): increase maximum number of sound cards
Modules: ALSA Core,Memalloc module,ALSA sequencer With dynamic minor numbers, we can increase the number of sound cards. This requires that the sequencer client numbers of some kernel drivers are allocated dynamically, too. Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'sound/core/sound_oss.c')
-rw-r--r--sound/core/sound_oss.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/core/sound_oss.c b/sound/core/sound_oss.c
index b9e89cac4c5d..3ae1c0d7ffd0 100644
--- a/sound/core/sound_oss.c
+++ b/sound/core/sound_oss.c
@@ -105,6 +105,8 @@ int snd_register_oss_device(int type, struct snd_card *card, int dev,
int register1 = -1, register2 = -1;
struct device *carddev = NULL;
+ if (card && card->number >= 8)
+ return 0; /* ignore silently */
if (minor < 0)
return minor;
preg = kmalloc(sizeof(struct snd_minor), GFP_KERNEL);
@@ -162,6 +164,8 @@ int snd_unregister_oss_device(int type, struct snd_card *card, int dev)
int track2 = -1;
struct snd_minor *mptr;
+ if (card && card->number >= 8)
+ return 0;
if (minor < 0)
return minor;
down(&sound_oss_mutex);