apfs/linux-apfs
0
0
Fork 0
mirror of https://github.com/linux-apfs/linux-apfs.git synced 2026-05-01 15:00:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6

Browse Source 
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6:
  sysfs: don't warn on removal of a nonexistent binary file
  HOWTO: latest lxr url address changed
  HOWTO: korean translation of Documentation/HOWTO
  Fix Off-by-one in /sys/module/*/refcnt
  sysfs: fix locking in sysfs_lookup() and sysfs_rename_dir()
This commit is contained in:
Linus Torvalds
2007-08-23 21:34:43 -07:00
parent 405d296559 5f1835da79
commit de80af4cc9
6 changed files with 640 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files
fs/sysfs/bin.c
+1 -6
View File
@@ -248,12 +248,7 @@ int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr)
void sysfs_remove_bin_file(struct kobject * kobj, struct bin_attribute * attr)
{
if (sysfs_hash_and_remove(kobj->sd, attr->attr.name) < 0) {
printk(KERN_ERR "%s: "
"bad dentry or inode or no such file: \"%s\"\n",
__FUNCTION__, attr->attr.name);
dump_stack();
}
sysfs_hash_and_remove(kobj->sd, attr->attr.name);
}
EXPORT_SYMBOL_GPL(sysfs_create_bin_file);
fs/sysfs/dir.c
+12 -9
View File
@@ -762,12 +762,15 @@ static int sysfs_count_nlink(struct sysfs_dirent *sd)
static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry,
struct nameidata *nd)
{
struct dentry *ret = NULL;
struct sysfs_dirent * parent_sd = dentry->d_parent->d_fsdata;
struct sysfs_dirent * sd;
struct bin_attribute *bin_attr;
struct inode *inode;
int found = 0;
mutex_lock(&sysfs_mutex);
for (sd = parent_sd->s_children; sd; sd = sd->s_sibling) {
if (sysfs_type(sd) &&
!strcmp(sd->s_name, dentry->d_name.name)) {
@@ -778,14 +781,14 @@ static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry,
/* no such entry */
if (!found)
return NULL;
goto out_unlock;
/* attach dentry and inode */
inode = sysfs_get_inode(sd);
if (!inode)
return ERR_PTR(-ENOMEM);
mutex_lock(&sysfs_mutex);
if (!inode) {
ret = ERR_PTR(-ENOMEM);
goto out_unlock;
}
if (inode->i_state & I_NEW) {
/* initialize inode according to type */
@@ -815,9 +818,9 @@ static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry,
sysfs_instantiate(dentry, inode);
sysfs_attach_dentry(sd, dentry);
out_unlock:
mutex_unlock(&sysfs_mutex);
return NULL;
return ret;
}
const struct inode_operations sysfs_dir_inode_operations = {
@@ -942,6 +945,8 @@ int sysfs_rename_dir(struct kobject *kobj, struct sysfs_dirent *new_parent_sd,
if (error)
goto out_drop;
mutex_lock(&sysfs_mutex);
dup_name = sd->s_name;
sd->s_name = new_name;
@@ -949,8 +954,6 @@ int sysfs_rename_dir(struct kobject *kobj, struct sysfs_dirent *new_parent_sd,
d_add(new_dentry, NULL);
d_move(sd->s_dentry, new_dentry);
mutex_lock(&sysfs_mutex);
sysfs_unlink_sibling(sd);
sysfs_get(new_parent_sd);
sysfs_put(sd->s_parent);