diff options
Diffstat (limited to 'fs/sysfs/file.c')
| -rw-r--r-- | fs/sysfs/file.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index 146f1dedec8..95c165101c9 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -190,6 +190,9 @@ fill_write_buffer(struct sysfs_buffer * buffer, const char __user * buf, size_t count = PAGE_SIZE - 1; error = copy_from_user(buffer->page,buf,count); buffer->needs_read_fill = 1; + /* if buf is assumed to contain a string, terminate it by \0, + so e.g. sscanf() can scan the string easily */ + buffer->page[count] = 0; return error ? -EFAULT : count; } @@ -483,17 +486,12 @@ int sysfs_update_file(struct kobject * kobj, const struct attribute * attr) (victim->d_parent->d_inode == dir->d_inode)) { victim->d_inode->i_mtime = CURRENT_TIME; fsnotify_modify(victim); - - /** - * Drop reference from initial sysfs_get_dentry(). - */ - dput(victim); res = 0; } else d_drop(victim); /** - * Drop the reference acquired from sysfs_get_dentry() above. + * Drop the reference acquired from lookup_one_len() above. */ dput(victim); } |