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Diffstat (limited to 'sound/core/misc.c')
-rw-r--r--sound/core/misc.c96
1 files changed, 10 insertions, 86 deletions
diff --git a/sound/core/misc.c b/sound/core/misc.c
index d32a19976a2b..88d9e1f9a6e9 100644
--- a/sound/core/misc.c
+++ b/sound/core/misc.c
@@ -13,20 +13,6 @@
#include <linux/fs.h>
#include <sound/core.h>
-#ifdef CONFIG_SND_DEBUG
-
-#ifdef CONFIG_SND_DEBUG_VERBOSE
-#define DEFAULT_DEBUG_LEVEL 2
-#else
-#define DEFAULT_DEBUG_LEVEL 1
-#endif
-
-static int debug = DEFAULT_DEBUG_LEVEL;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Debug level (0 = disable)");
-
-#endif /* CONFIG_SND_DEBUG */
-
void release_and_free_resource(struct resource *res)
{
if (res) {
@@ -36,63 +22,6 @@ void release_and_free_resource(struct resource *res)
}
EXPORT_SYMBOL(release_and_free_resource);
-#ifdef CONFIG_SND_VERBOSE_PRINTK
-/* strip the leading path if the given path is absolute */
-static const char *sanity_file_name(const char *path)
-{
- if (*path == '/')
- return strrchr(path, '/') + 1;
- else
- return path;
-}
-#endif
-
-#if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK)
-void __snd_printk(unsigned int level, const char *path, int line,
- const char *format, ...)
-{
- va_list args;
-#ifdef CONFIG_SND_VERBOSE_PRINTK
- int kern_level;
- struct va_format vaf;
- char verbose_fmt[] = KERN_DEFAULT "ALSA %s:%d %pV";
- bool level_found = false;
-#endif
-
-#ifdef CONFIG_SND_DEBUG
- if (debug < level)
- return;
-#endif
-
- va_start(args, format);
-#ifdef CONFIG_SND_VERBOSE_PRINTK
- vaf.fmt = format;
- vaf.va = &args;
-
- while ((kern_level = printk_get_level(vaf.fmt)) != 0) {
- const char *end_of_header = printk_skip_level(vaf.fmt);
-
- /* Ignore KERN_CONT. We print filename:line for each piece. */
- if (kern_level >= '0' && kern_level <= '7') {
- memcpy(verbose_fmt, vaf.fmt, end_of_header - vaf.fmt);
- level_found = true;
- }
-
- vaf.fmt = end_of_header;
- }
-
- if (!level_found && level)
- memcpy(verbose_fmt, KERN_DEBUG, sizeof(KERN_DEBUG) - 1);
-
- printk(verbose_fmt, sanity_file_name(path), line, &vaf);
-#else
- vprintk(format, args);
-#endif
- va_end(args);
-}
-EXPORT_SYMBOL_GPL(__snd_printk);
-#endif
-
#ifdef CONFIG_PCI
#include <linux/pci.h>
/**
@@ -198,35 +127,30 @@ int snd_fasync_helper(int fd, struct file *file, int on,
INIT_LIST_HEAD(&fasync->list);
}
- spin_lock_irq(&snd_fasync_lock);
- if (*fasyncp) {
- kfree(fasync);
- fasync = *fasyncp;
- } else {
- if (!fasync) {
- spin_unlock_irq(&snd_fasync_lock);
- return 0;
+ scoped_guard(spinlock_irq, &snd_fasync_lock) {
+ if (*fasyncp) {
+ kfree(fasync);
+ fasync = *fasyncp;
+ } else {
+ if (!fasync)
+ return 0;
+ *fasyncp = fasync;
}
- *fasyncp = fasync;
+ fasync->on = on;
}
- fasync->on = on;
- spin_unlock_irq(&snd_fasync_lock);
return fasync_helper(fd, file, on, &fasync->fasync);
}
EXPORT_SYMBOL_GPL(snd_fasync_helper);
void snd_kill_fasync(struct snd_fasync *fasync, int signal, int poll)
{
- unsigned long flags;
-
if (!fasync || !fasync->on)
return;
- spin_lock_irqsave(&snd_fasync_lock, flags);
+ guard(spinlock_irqsave)(&snd_fasync_lock);
fasync->signal = signal;
fasync->poll = poll;
list_move(&fasync->list, &snd_fasync_list);
schedule_work(&snd_fasync_work);
- spin_unlock_irqrestore(&snd_fasync_lock, flags);
}
EXPORT_SYMBOL_GPL(snd_kill_fasync);