sysfs: fix condition check in sysfs_drop_dentry()

[sfrench/cifs-2.6.git] / fs / sysfs / inode.c

diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index dd1344b007f59baf3b0d5ba05fadecd83f8d0604..38bbe071cc1546cfcecf6ac6ae1a8f5673f9ddb6 100644 (file)
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -13,6 +13,7 @@
 #include <linux/backing-dev.h>
 #include <linux/capability.h>
 #include <linux/errno.h>
+#include <linux/sched.h>
 #include <asm/semaphore.h>
 #include "sysfs.h"
 
@@ -140,6 +141,7 @@ struct inode * sysfs_new_inode(mode_t mode, struct sysfs_dirent * sd)
                inode->i_mapping->a_ops = &sysfs_aops;
                inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info;
                inode->i_op = &sysfs_inode_operations;
+               inode->i_ino = sd->s_ino;
                lockdep_set_class(&inode->i_mutex, &sysfs_inode_imutex_key);
 
                if (sd->s_iattr) {
@@ -222,11 +224,12 @@ const unsigned char * sysfs_get_name(struct sysfs_dirent *sd)
 
 static inline void orphan_all_buffers(struct inode *node)
 {
-       struct sysfs_buffer_collection *set = node->i_private;
+       struct sysfs_buffer_collection *set;
        struct sysfs_buffer *buf;
 
        mutex_lock_nested(&node->i_mutex, I_MUTEX_CHILD);
-       if (node->i_private) {
+       set = node->i_private;
+       if (set) {
                list_for_each_entry(buf, &set->associates, associates) {
                        down(&buf->sem);
                        buf->orphaned = 1;
@@ -249,7 +252,7 @@ void sysfs_drop_dentry(struct sysfs_dirent * sd, struct dentry * parent)
        if (dentry) {
                spin_lock(&dcache_lock);
                spin_lock(&dentry->d_lock);
-               if (!(d_unhashed(dentry) && dentry->d_inode)) {
+               if (!d_unhashed(dentry) && dentry->d_inode) {
                        inode = dentry->d_inode;
                        spin_lock(&inode->i_lock);
                        __iget(inode);