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authorLinus Torvalds <torvalds@g5.osdl.org>2006-03-21 09:25:15 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-21 09:25:15 -0800
commit08a4ecee986dd98e86090ff5faac4782b6765aed (patch)
tree74df5de49f38c432a6a18303b0c6d834fd09028f /fs/sysfs/symlink.c
parentba93c6297b9cfad5a70b5e5ed13c9dbead6601d3 (diff)
parentb3229087c5e08589cea4f5040dab56f7dc11332a (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (23 commits) [PATCH] sysfs: fix a kobject leak in sysfs_add_link on the error path [PATCH] sysfs: don't export dir symbols [PATCH] get_cpu_sysdev() signedness fix [PATCH] kobject_add_dir [PATCH] debugfs: Add debugfs_create_blob() helper for exporting binary data [PATCH] sysfs: fix problem with duplicate sysfs directories and files [PATCH] Kobject: kobject.h: fix a typo [PATCH] Kobject: provide better warning messages when people do stupid things [PATCH] Driver core: add macros notice(), dev_notice() [PATCH] firmware: fix BUG: in fw_realloc_buffer [PATCH] sysfs: kzalloc conversion [PATCH] fix module sysfs files reference counting [PATCH] add EXPORT_SYMBOL_GPL_FUTURE() to USB subsystem [PATCH] add EXPORT_SYMBOL_GPL_FUTURE() to RCU subsystem [PATCH] add EXPORT_SYMBOL_GPL_FUTURE() [PATCH] Clean up module.c symbol searching logic [PATCH] kobj_map semaphore to mutex conversion [PATCH] kref: avoid an atomic operation in kref_put() [PATCH] handle errors returned by platform_get_irq*() [PATCH] driver core: platform_get_irq*(): return -ENXIO on error ...
Diffstat (limited to 'fs/sysfs/symlink.c')
-rw-r--r--fs/sysfs/symlink.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index e38d6338a20..d2eac3ceed5 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -66,6 +66,7 @@ static int sysfs_add_link(struct dentry * parent, const char * name, struct kobj
if (!error)
return 0;
+ kobject_put(target);
kfree(sl->link_name);
exit2:
kfree(sl);
@@ -82,12 +83,13 @@ exit1:
int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name)
{
struct dentry * dentry = kobj->dentry;
- int error = 0;
+ int error = -EEXIST;
BUG_ON(!kobj || !kobj->dentry || !name);
mutex_lock(&dentry->d_inode->i_mutex);
- error = sysfs_add_link(dentry, name, target);
+ if (!sysfs_dirent_exist(dentry->d_fsdata, name))
+ error = sysfs_add_link(dentry, name, target);
mutex_unlock(&dentry->d_inode->i_mutex);
return error;
}