diff options
Diffstat (limited to 'sound/core/info_oss.c')
| -rw-r--r-- | sound/core/info_oss.c | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/sound/core/info_oss.c b/sound/core/info_oss.c index 12107968d40..83c29dbff9c 100644 --- a/sound/core/info_oss.c +++ b/sound/core/info_oss.c @@ -1,6 +1,6 @@ /* * Information interface for ALSA driver - * Copyright (c) by Jaroslav Kysela <perex@suse.cz> + * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * * * This program is free software; you can redistribute it and/or modify @@ -19,15 +19,15 @@ * */ -#include <sound/driver.h> #include <linux/slab.h> #include <linux/time.h> #include <linux/string.h> +#include <linux/export.h> #include <sound/core.h> #include <sound/minors.h> #include <sound/info.h> -#include <sound/version.h> #include <linux/utsname.h> +#include <linux/mutex.h> #if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_PROC_FS) @@ -35,17 +35,19 @@ * OSS compatible part */ -static DECLARE_MUTEX(strings); +static DEFINE_MUTEX(strings); static char *snd_sndstat_strings[SNDRV_CARDS][SNDRV_OSS_INFO_DEV_COUNT]; -static snd_info_entry_t *snd_sndstat_proc_entry; +static struct snd_info_entry *snd_sndstat_proc_entry; int snd_oss_info_register(int dev, int num, char *string) { char *x; - snd_assert(dev >= 0 && dev < SNDRV_OSS_INFO_DEV_COUNT, return -ENXIO); - snd_assert(num >= 0 && num < SNDRV_CARDS, return -ENXIO); - down(&strings); + if (snd_BUG_ON(dev < 0 || dev >= SNDRV_OSS_INFO_DEV_COUNT)) + return -ENXIO; + if (snd_BUG_ON(num < 0 || num >= SNDRV_CARDS)) + return -ENXIO; + mutex_lock(&strings); if (string == NULL) { if ((x = snd_sndstat_strings[num][dev]) != NULL) { kfree(x); @@ -54,24 +56,24 @@ int snd_oss_info_register(int dev, int num, char *string) } else { x = kstrdup(string, GFP_KERNEL); if (x == NULL) { - up(&strings); + mutex_unlock(&strings); return -ENOMEM; } } snd_sndstat_strings[num][dev] = x; - up(&strings); + mutex_unlock(&strings); return 0; } -extern void snd_card_info_read_oss(snd_info_buffer_t * buffer); +EXPORT_SYMBOL(snd_oss_info_register); -static int snd_sndstat_show_strings(snd_info_buffer_t * buf, char *id, int dev) +static int snd_sndstat_show_strings(struct snd_info_buffer *buf, char *id, int dev) { int idx, ok = -1; char *str; snd_iprintf(buf, "\n%s:", id); - down(&strings); + mutex_lock(&strings); for (idx = 0; idx < SNDRV_CARDS; idx++) { str = snd_sndstat_strings[idx][dev]; if (str) { @@ -82,21 +84,22 @@ static int snd_sndstat_show_strings(snd_info_buffer_t * buf, char *id, int dev) snd_iprintf(buf, "%i: %s\n", idx, str); } } - up(&strings); + mutex_unlock(&strings); if (ok < 0) snd_iprintf(buf, " NOT ENABLED IN CONFIG\n"); return ok; } -static void snd_sndstat_proc_read(snd_info_entry_t *entry, snd_info_buffer_t * buffer) +static void snd_sndstat_proc_read(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) { - snd_iprintf(buffer, "Sound Driver:3.8.1a-980706 (ALSA v" CONFIG_SND_VERSION " emulation code)\n"); + snd_iprintf(buffer, "Sound Driver:3.8.1a-980706 (ALSA emulation code)\n"); snd_iprintf(buffer, "Kernel: %s %s %s %s %s\n", - system_utsname.sysname, - system_utsname.nodename, - system_utsname.release, - system_utsname.version, - system_utsname.machine); + init_utsname()->sysname, + init_utsname()->nodename, + init_utsname()->release, + init_utsname()->version, + init_utsname()->machine); snd_iprintf(buffer, "Config options: 0\n"); snd_iprintf(buffer, "\nInstalled drivers: \n"); snd_iprintf(buffer, "Type 10: ALSA emulation\n"); @@ -111,11 +114,10 @@ static void snd_sndstat_proc_read(snd_info_entry_t *entry, snd_info_buffer_t * b int snd_info_minor_register(void) { - snd_info_entry_t *entry; + struct snd_info_entry *entry; memset(snd_sndstat_strings, 0, sizeof(snd_sndstat_strings)); if ((entry = snd_info_create_module_entry(THIS_MODULE, "sndstat", snd_oss_root)) != NULL) { - entry->c.text.read_size = 2048; entry->c.text.read = snd_sndstat_proc_read; if (snd_info_register(entry) < 0) { snd_info_free_entry(entry); @@ -128,10 +130,8 @@ int snd_info_minor_register(void) int snd_info_minor_unregister(void) { - if (snd_sndstat_proc_entry) { - snd_info_unregister(snd_sndstat_proc_entry); - snd_sndstat_proc_entry = NULL; - } + snd_info_free_entry(snd_sndstat_proc_entry); + snd_sndstat_proc_entry = NULL; return 0; } |