diff options
| -rw-r--r-- | fs/openpromfs/inode.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index 3bd2eeccb2ad..efc7c91128af 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -64,6 +64,11 @@ static int openpromfs_readdir(struct file *, void *, filldir_t); static struct dentry *openpromfs_lookup(struct inode *, struct dentry *dentry, struct nameidata *nd); static int openpromfs_unlink (struct inode *, struct dentry *dentry); +static inline u16 ptr_nod(void *p) +{ + return (long)p & 0xFFFF; +} + static ssize_t nodenum_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { @@ -95,9 +100,9 @@ static ssize_t property_read(struct file *filp, char __user *buf, char buffer[64]; if (!filp->private_data) { - node = nodes[(u16)((long)inode->u.generic_ip)].node; + node = nodes[ptr_nod(inode->u.generic_ip)].node; i = ((u32)(long)inode->u.generic_ip) >> 16; - if ((u16)((long)inode->u.generic_ip) == aliases) { + if (ptr_nod(inode->u.generic_ip) == aliases) { if (i >= aliases_nodes) p = NULL; else @@ -111,7 +116,7 @@ static ssize_t property_read(struct file *filp, char __user *buf, return -EIO; i = prom_getproplen (node, p); if (i < 0) { - if ((u16)((long)inode->u.generic_ip) == aliases) + if (ptr_nod(inode->u.generic_ip) == aliases) i = 0; else return -EIO; @@ -540,8 +545,8 @@ int property_release (struct inode *inode, struct file *filp) if (!op) return 0; lock_kernel(); - node = nodes[(u16)((long)inode->u.generic_ip)].node; - if ((u16)((long)inode->u.generic_ip) == aliases) { + node = nodes[ptr_nod(inode->u.generic_ip)].node; + if (ptr_nod(inode->u.generic_ip) == aliases) { if ((op->flag & OPP_DIRTY) && (op->flag & OPP_STRING)) { char *p = op->name; int i = (op->value - op->name) - strlen (op->name) - 1; |