diff options
Diffstat (limited to 'fs/sysfs/inode.c')
| -rw-r--r-- | fs/sysfs/inode.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index 689f7bcfaf3..6beee6f6a67 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -227,12 +227,16 @@ void sysfs_drop_dentry(struct sysfs_dirent * sd, struct dentry * parent) void sysfs_hash_and_remove(struct dentry * dir, const char * name) { struct sysfs_dirent * sd; - struct sysfs_dirent * parent_sd = dir->d_fsdata; + struct sysfs_dirent * parent_sd; + + if (!dir) + return; if (dir->d_inode == NULL) /* no inode means this hasn't been made visible yet */ return; + parent_sd = dir->d_fsdata; mutex_lock(&dir->d_inode->i_mutex); list_for_each_entry(sd, &parent_sd->s_children, s_sibling) { if (!sd->s_element) |