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-rw-r--r--sound/core/sound.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/sound/core/sound.c b/sound/core/sound.c
index 6c8ab48..1003ae3 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -21,6 +21,7 @@
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/time.h>
#include <linux/device.h>
#include <linux/moduleparam.h>
@@ -60,14 +61,14 @@ EXPORT_SYMBOL(snd_ecards_limit);
static struct snd_minor *snd_minors[SNDRV_OS_MINORS];
static DEFINE_MUTEX(sound_mutex);
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
/**
* snd_request_card - try to load the card module
* @card: the card number
*
* Tries to load the module "snd-card-X" for the given card number
- * via KMOD. Returns immediately if already loaded.
+ * via request_module. Returns immediately if already loaded.
*/
void snd_request_card(int card)
{
@@ -92,7 +93,7 @@ static void snd_request_other(int minor)
request_module(str);
}
-#endif /* request_module support */
+#endif /* modular kernel */
/**
* snd_lookup_minor_data - get user data of a registered device
@@ -121,7 +122,7 @@ void *snd_lookup_minor_data(unsigned int minor, int type)
EXPORT_SYMBOL(snd_lookup_minor_data);
-static int snd_open(struct inode *inode, struct file *file)
+static int __snd_open(struct inode *inode, struct file *file)
{
unsigned int minor = iminor(inode);
struct snd_minor *mptr = NULL;
@@ -132,7 +133,7 @@ static int snd_open(struct inode *inode, struct file *file)
return -ENODEV;
mptr = snd_minors[minor];
if (mptr == NULL) {
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
int dev = SNDRV_MINOR_DEVICE(minor);
if (dev == SNDRV_MINOR_CONTROL) {
/* /dev/aloadC? */
@@ -163,6 +164,18 @@ static int snd_open(struct inode *inode, struct file *file)
return err;
}
+
+/* BKL pushdown: nasty #ifdef avoidance wrapper */
+static int snd_open(struct inode *inode, struct file *file)
+{
+ int ret;
+
+ lock_kernel();
+ ret = __snd_open(inode, file);
+ unlock_kernel();
+ return ret;
+}
+
static const struct file_operations snd_fops =
{
.owner = THIS_MODULE,
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