new helper: file_inode(file)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/sound/core/info.c b/sound/core/info.c
index 6b368d2..5bb97e7 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -496,7 +496,7 @@
 
 static int snd_info_entry_mmap(struct file *file, struct vm_area_struct *vma)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct snd_info_private_data *data;
 	struct snd_info_entry *entry;
 
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 09b4286..71ae86c 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1586,7 +1586,7 @@
 	file = fget_light(fd, fput_needed);
 	if (!file)
 		return NULL;
-	inode = file->f_path.dentry->d_inode;
+	inode = file_inode(file);
 	if (!S_ISCHR(inode->i_mode) ||
 	    imajor(inode) != snd_major) {
 		fput_light(file, *fput_needed);
diff --git a/sound/oss/msnd_pinnacle.c b/sound/oss/msnd_pinnacle.c
index 536c4c0..11ff7c5 100644
--- a/sound/oss/msnd_pinnacle.c
+++ b/sound/oss/msnd_pinnacle.c
@@ -642,7 +642,7 @@
 
 static long dev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	int minor = iminor(file->f_path.dentry->d_inode);
+	int minor = iminor(file_inode(file));
 	int ret;
 
 	if (cmd == OSS_GETVERSION) {
@@ -1012,7 +1012,7 @@
 
 static ssize_t dev_read(struct file *file, char __user *buf, size_t count, loff_t *off)
 {
-	int minor = iminor(file->f_path.dentry->d_inode);
+	int minor = iminor(file_inode(file));
 	if (minor == dev.dsp_minor)
 		return dsp_read(buf, count);
 	else
@@ -1021,7 +1021,7 @@
 
 static ssize_t dev_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
 {
-	int minor = iminor(file->f_path.dentry->d_inode);
+	int minor = iminor(file_inode(file));
 	if (minor == dev.dsp_minor)
 		return dsp_write(buf, count);
 	else
diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c
index 7c7793a..e778034 100644
--- a/sound/oss/soundcard.c
+++ b/sound/oss/soundcard.c
@@ -143,7 +143,7 @@
 
 static ssize_t sound_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 {
-	int dev = iminor(file->f_path.dentry->d_inode);
+	int dev = iminor(file_inode(file));
 	int ret = -EINVAL;
 
 	/*
@@ -176,7 +176,7 @@
 
 static ssize_t sound_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 {
-	int dev = iminor(file->f_path.dentry->d_inode);
+	int dev = iminor(file_inode(file));
 	int ret = -EINVAL;
 	
 	mutex_lock(&soundcard_mutex);
@@ -333,7 +333,7 @@
 static long sound_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	int len = 0, dtype;
-	int dev = iminor(file->f_dentry->d_inode);
+	int dev = iminor(file_inode(file));
 	long ret = -EINVAL;
 	void __user *p = (void __user *)arg;
 
@@ -406,7 +406,7 @@
 
 static unsigned int sound_poll(struct file *file, poll_table * wait)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int dev = iminor(inode);
 
 	DEB(printk("sound_poll(dev=%d)\n", dev));
@@ -431,7 +431,7 @@
 	int dev_class;
 	unsigned long size;
 	struct dma_buffparms *dmap = NULL;
-	int dev = iminor(file->f_path.dentry->d_inode);
+	int dev = iminor(file_inode(file));
 
 	dev_class = dev & 0x0f;
 	dev >>= 4;
diff --git a/sound/sound_firmware.c b/sound/sound_firmware.c
index 37711a5..e149034 100644
--- a/sound/sound_firmware.c
+++ b/sound/sound_firmware.c
@@ -19,7 +19,7 @@
 		printk(KERN_INFO "Unable to load '%s'.\n", fn);
 		return 0;
 	}
-	l = i_size_read(filp->f_path.dentry->d_inode);
+	l = i_size_read(file_inode(filp));
 	if (l <= 0 || l > 131072)
 	{
 		printk(KERN_INFO "Invalid firmware '%s'\n", fn);