diff options
Diffstat (limited to 'fs/sysfs')
-rw-r--r-- | fs/sysfs/bin.c | 13 | ||||
-rw-r--r-- | fs/sysfs/inode.c | 11 | ||||
-rw-r--r-- | fs/sysfs/sysfs.h | 2 |
3 files changed, 17 insertions, 9 deletions
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c index c16a93c353c0..98022e41cda1 100644 --- a/fs/sysfs/bin.c +++ b/fs/sysfs/bin.c | |||
@@ -10,6 +10,7 @@ | |||
10 | 10 | ||
11 | #include <linux/errno.h> | 11 | #include <linux/errno.h> |
12 | #include <linux/fs.h> | 12 | #include <linux/fs.h> |
13 | #include <linux/kernel.h> | ||
13 | #include <linux/kobject.h> | 14 | #include <linux/kobject.h> |
14 | #include <linux/module.h> | 15 | #include <linux/module.h> |
15 | #include <linux/slab.h> | 16 | #include <linux/slab.h> |
@@ -176,7 +177,6 @@ const struct file_operations bin_fops = { | |||
176 | * sysfs_create_bin_file - create binary file for object. | 177 | * sysfs_create_bin_file - create binary file for object. |
177 | * @kobj: object. | 178 | * @kobj: object. |
178 | * @attr: attribute descriptor. | 179 | * @attr: attribute descriptor. |
179 | * | ||
180 | */ | 180 | */ |
181 | 181 | ||
182 | int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr) | 182 | int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr) |
@@ -191,13 +191,16 @@ int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr) | |||
191 | * sysfs_remove_bin_file - remove binary file for object. | 191 | * sysfs_remove_bin_file - remove binary file for object. |
192 | * @kobj: object. | 192 | * @kobj: object. |
193 | * @attr: attribute descriptor. | 193 | * @attr: attribute descriptor. |
194 | * | ||
195 | */ | 194 | */ |
196 | 195 | ||
197 | int sysfs_remove_bin_file(struct kobject * kobj, struct bin_attribute * attr) | 196 | void sysfs_remove_bin_file(struct kobject * kobj, struct bin_attribute * attr) |
198 | { | 197 | { |
199 | sysfs_hash_and_remove(kobj->dentry,attr->attr.name); | 198 | if (sysfs_hash_and_remove(kobj->dentry, attr->attr.name) < 0) { |
200 | return 0; | 199 | printk(KERN_ERR "%s: " |
200 | "bad dentry or inode or no such file: \"%s\"\n", | ||
201 | __FUNCTION__, attr->attr.name); | ||
202 | dump_stack(); | ||
203 | } | ||
201 | } | 204 | } |
202 | 205 | ||
203 | EXPORT_SYMBOL_GPL(sysfs_create_bin_file); | 206 | EXPORT_SYMBOL_GPL(sysfs_create_bin_file); |
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index 9889e54e1f13..fd7cd5f843d2 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c | |||
@@ -12,6 +12,7 @@ | |||
12 | #include <linux/namei.h> | 12 | #include <linux/namei.h> |
13 | #include <linux/backing-dev.h> | 13 | #include <linux/backing-dev.h> |
14 | #include <linux/capability.h> | 14 | #include <linux/capability.h> |
15 | #include <linux/errno.h> | ||
15 | #include "sysfs.h" | 16 | #include "sysfs.h" |
16 | 17 | ||
17 | extern struct super_block * sysfs_sb; | 18 | extern struct super_block * sysfs_sb; |
@@ -234,17 +235,18 @@ void sysfs_drop_dentry(struct sysfs_dirent * sd, struct dentry * parent) | |||
234 | } | 235 | } |
235 | } | 236 | } |
236 | 237 | ||
237 | void sysfs_hash_and_remove(struct dentry * dir, const char * name) | 238 | int sysfs_hash_and_remove(struct dentry * dir, const char * name) |
238 | { | 239 | { |
239 | struct sysfs_dirent * sd; | 240 | struct sysfs_dirent * sd; |
240 | struct sysfs_dirent * parent_sd; | 241 | struct sysfs_dirent * parent_sd; |
242 | int found = 0; | ||
241 | 243 | ||
242 | if (!dir) | 244 | if (!dir) |
243 | return; | 245 | return -ENOENT; |
244 | 246 | ||
245 | if (dir->d_inode == NULL) | 247 | if (dir->d_inode == NULL) |
246 | /* no inode means this hasn't been made visible yet */ | 248 | /* no inode means this hasn't been made visible yet */ |
247 | return; | 249 | return -ENOENT; |
248 | 250 | ||
249 | parent_sd = dir->d_fsdata; | 251 | parent_sd = dir->d_fsdata; |
250 | mutex_lock(&dir->d_inode->i_mutex); | 252 | mutex_lock(&dir->d_inode->i_mutex); |
@@ -255,8 +257,11 @@ void sysfs_hash_and_remove(struct dentry * dir, const char * name) | |||
255 | list_del_init(&sd->s_sibling); | 257 | list_del_init(&sd->s_sibling); |
256 | sysfs_drop_dentry(sd, dir); | 258 | sysfs_drop_dentry(sd, dir); |
257 | sysfs_put(sd); | 259 | sysfs_put(sd); |
260 | found = 1; | ||
258 | break; | 261 | break; |
259 | } | 262 | } |
260 | } | 263 | } |
261 | mutex_unlock(&dir->d_inode->i_mutex); | 264 | mutex_unlock(&dir->d_inode->i_mutex); |
265 | |||
266 | return found ? 0 : -ENOENT; | ||
262 | } | 267 | } |
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index 3651ffb5ec09..6f3d6bd52887 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h | |||
@@ -10,7 +10,7 @@ extern int sysfs_make_dirent(struct sysfs_dirent *, struct dentry *, void *, | |||
10 | umode_t, int); | 10 | umode_t, int); |
11 | 11 | ||
12 | extern int sysfs_add_file(struct dentry *, const struct attribute *, int); | 12 | extern int sysfs_add_file(struct dentry *, const struct attribute *, int); |
13 | extern void sysfs_hash_and_remove(struct dentry * dir, const char * name); | 13 | extern int sysfs_hash_and_remove(struct dentry * dir, const char * name); |
14 | extern struct sysfs_dirent *sysfs_find(struct sysfs_dirent *dir, const char * name); | 14 | extern struct sysfs_dirent *sysfs_find(struct sysfs_dirent *dir, const char * name); |
15 | 15 | ||
16 | extern int sysfs_create_subdir(struct kobject *, const char *, struct dentry **); | 16 | extern int sysfs_create_subdir(struct kobject *, const char *, struct dentry **); |