diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-09 08:24:04 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-09 08:24:04 -0800 |
| commit | 6026179519896e7d35b2564e7544487d1c8948e7 (patch) | |
| tree | c78c7032abce24d846423572204f1cd4e97d8efc /sound/core/init.c | |
| parent | d27146dd5b72ab7d7e641f56f4bee1484dabd0b7 (diff) | |
| parent | c2902c8ae06762d941fab64198467f78cab6f8cd (diff) | |
Merge branch 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa
* 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa: (212 commits)
[PATCH] Fix breakage with CONFIG_SYSFS_DEPRECATED
[ALSA] version 1.0.14rc2
[ALSA] ASoC documentation updates
[ALSA] ca0106 - Add missing sysfs device assignment
[ALSA] aoa i2sbus: Stop Apple i2s DMA gracefully
[ALSA] hda-codec - Add support for Fujitsu PI1556 Realtek ALC880
[ALSA] aoa: remove suspend/resume printks
[ALSA] Fix possible deadlocks in sequencer at removal of ports
[ALSA] emu10k1 - Fix STAC9758 front channel
[ALSA] soc - Clean up with kmemdup()
[ALSA] snd-ak4114: Fix two array overflows
[ALSA] ac97_bus power management
[ALSA] usbaudio - Add support for Edirol UA-101
[ALSA] hda-codec - Add ALC861VD/ALC660VD support
[ALSA] soc - ASoC 0.13 Sharp poodle machine
[ALSA] soc - ASoC 0.13 Sharp tosa machine
[ALSA] soc - ASoC 0.13 spitz machine
[ALSA] soc - ASoC Sharp corgi machine
[ALSA] soc - ASoC 0.13 pxa2xx DMA
[ALSA] soc - ASoC 0.13 pxa2xx AC97 driver
...
Diffstat (limited to 'sound/core/init.c')
| -rw-r--r-- | sound/core/init.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/sound/core/init.c b/sound/core/init.c index a4cc6b155ae..db610373374 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -114,22 +114,28 @@ struct snd_card *snd_card_new(int idx, const char *xid, if (idx < 0) { int idx2; for (idx2 = 0; idx2 < SNDRV_CARDS; idx2++) + /* idx == -1 == 0xffff means: take any free slot */ if (~snd_cards_lock & idx & 1<<idx2) { idx = idx2; if (idx >= snd_ecards_limit) snd_ecards_limit = idx + 1; break; } - } else if (idx < snd_ecards_limit) { - if (snd_cards_lock & (1 << idx)) - err = -ENODEV; /* invalid */ - } else if (idx < SNDRV_CARDS) - snd_ecards_limit = idx + 1; /* increase the limit */ - else - err = -ENODEV; + } else { + if (idx < snd_ecards_limit) { + if (snd_cards_lock & (1 << idx)) + err = -EBUSY; /* invalid */ + } else { + if (idx < SNDRV_CARDS) + snd_ecards_limit = idx + 1; /* increase the limit */ + else + err = -ENODEV; + } + } if (idx < 0 || err < 0) { mutex_unlock(&snd_card_mutex); - snd_printk(KERN_ERR "cannot find the slot for index %d (range 0-%i)\n", idx, snd_ecards_limit - 1); + snd_printk(KERN_ERR "cannot find the slot for index %d (range 0-%i), error: %d\n", + idx, snd_ecards_limit - 1, err); goto __error; } snd_cards_lock |= 1 << idx; /* lock it */ |