new helper: file_inode(file)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

3 files changed, 6 insertions, 11 deletions

diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index b8c18dcdd2c4..88f7b50d541c 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -399,11 +399,9 @@ static int file_release(struct inode *inode, struct file *filp)
 
 static unsigned int file_poll(struct file *file, poll_table * wait)
 {
-	int minor;
+	int minor = iminor(file_inode(file));
 	unsigned int mask = 0;
 
-	minor = iminor(file->f_path.dentry->d_inode);
-
 	poll_wait(file, &channel_wqs[minor].rt_queue, wait);
 	poll_wait(file, &channel_wqs[minor].lx_queue, wait);
 
@@ -424,7 +422,7 @@ static unsigned int file_poll(struct file *file, poll_table * wait)
 static ssize_t file_read(struct file *file, char __user * buffer, size_t count,
 			 loff_t * ppos)
 {
-	int minor = iminor(file->f_path.dentry->d_inode);
+	int minor = iminor(file_inode(file));
 
 	/* data available? */
 	if (!rtlx_read_poll(minor, (file->f_flags & O_NONBLOCK) ? 0 : 1)) {
@@ -437,11 +435,8 @@ static ssize_t file_read(struct file *file, char __user * buffer, size_t count,
 static ssize_t file_write(struct file *file, const char __user * buffer,
 			  size_t count, loff_t * ppos)
 {
-	int minor;
-	struct rtlx_channel *rt;
-
-	minor = iminor(file->f_path.dentry->d_inode);
-	rt = &rtlx->channel[minor];
+	int minor = iminor(file_inode(file));
+	struct rtlx_channel *rt = &rtlx->channel[minor];
 
 	/* any space left... */
 	if (!rtlx_write_poll(minor)) {
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index eec690af6581..d75a5289d9b3 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -1149,7 +1149,7 @@ static ssize_t vpe_write(struct file *file, const char __user * buffer,
 	size_t ret = count;
 	struct vpe *v;
 
-	if (iminor(file->f_path.dentry->d_inode) != minor)
+	if (iminor(file_inode(file)) != minor)
 		return -ENODEV;
 
 	v = get_vpe(tclimit);
diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c
index 8e388da1926f..c592bc8b8c99 100644
--- a/arch/mips/lasat/picvue_proc.c
+++ b/arch/mips/lasat/picvue_proc.c
@@ -64,7 +64,7 @@ static int pvc_line_proc_open(struct inode *inode, struct file *file)
 static ssize_t pvc_line_proc_write(struct file *file, const char __user *buf,
 				   size_t count, loff_t *pos)
 {
-	int lineno = *(int *)PDE(file->f_path.dentry->d_inode)->data;
+	int lineno = *(int *)PDE(file_inode(file))->data;
 	char kbuf[PVC_LINELEN];
 	size_t len;