From 79e55bcf24ad8f31c3021b6ef21c4ce054fe4e38 Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Mon, 24 Apr 2006 17:15:10 +0100
Subject: [PATCH] [MIPS] Cleanup inode->r_dev usage.

imajor()/iminor() should be used instead of accessing r_dev directly.

Based on patch from Eric Sesterhenn (snakebyte@gmx.de).

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/kernel/rtlx.c | 11 +++++------
 arch/mips/kernel/vpe.c  |  6 +++---
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index 6179805af9f0..caf777f83289 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -398,15 +398,14 @@ ssize_t rtlx_write(int index, void *buffer, size_t count, int user)
 
 static int file_open(struct inode *inode, struct file *filp)
 {
-	int minor = MINOR(inode->i_rdev);
+	int minor = iminor(inode);
 
 	return rtlx_open(minor, (filp->f_flags & O_NONBLOCK) ? 0 : 1);
 }
 
 static int file_release(struct inode *inode, struct file *filp)
 {
-	int minor;
-	minor = MINOR(inode->i_rdev);
+	int minor = iminor(inode);
 
 	return rtlx_release(minor);
 }
@@ -416,7 +415,7 @@ static unsigned int file_poll(struct file *file, poll_table * wait)
 	int minor;
 	unsigned int mask = 0;
 
-	minor = MINOR(file->f_dentry->d_inode->i_rdev);
+	minor = iminor(file->f_dentry->d_inode);
 
 	poll_wait(file, &channel_wqs[minor].rt_queue, wait);
 	poll_wait(file, &channel_wqs[minor].lx_queue, wait);
@@ -438,7 +437,7 @@ 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 = MINOR(file->f_dentry->d_inode->i_rdev);
+	int minor = iminor(file->f_dentry->d_inode);
 
 	/* data available? */
 	if (!rtlx_read_poll(minor, (file->f_flags & O_NONBLOCK) ? 0 : 1)) {
@@ -455,7 +454,7 @@ static ssize_t file_write(struct file *file, const char __user * buffer,
 	struct rtlx_channel *rt;
 	DECLARE_WAITQUEUE(wait, current);
 
-	minor = MINOR(file->f_dentry->d_inode->i_rdev);
+	minor = iminor(file->f_dentry->d_inode);
 	rt = &rtlx->channel[minor];
 
 	/* any space left... */
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 80ffaa6d50ad..85d7df7b18e1 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -1072,7 +1072,7 @@ static int vpe_open(struct inode *inode, struct file *filp)
 	struct vpe_notifications *not;
 
 	/* assume only 1 device at the mo. */
-	if ((minor = MINOR(inode->i_rdev)) != 1) {
+	if ((minor = iminor(inode)) != 1) {
 		printk(KERN_WARNING "VPE loader: only vpe1 is supported\n");
 		return -ENODEV;
 	}
@@ -1133,7 +1133,7 @@ static int vpe_release(struct inode *inode, struct file *filp)
 	struct vpe *v;
 	Elf_Ehdr *hdr;
 
-	minor = MINOR(inode->i_rdev);
+	minor = iminor(inode);
 	if ((v = get_vpe(minor)) == NULL)
 		return -ENODEV;
 
@@ -1174,7 +1174,7 @@ static ssize_t vpe_write(struct file *file, const char __user * buffer,
 	size_t ret = count;
 	struct vpe *v;
 
-	minor = MINOR(file->f_dentry->d_inode->i_rdev);
+	minor = iminor(file->f_dentry->d_inode);
 	if ((v = get_vpe(minor)) == NULL)
 		return -ENODEV;
 
-- 
2.30.9