diff options
Diffstat (limited to 'include/linux/fs_struct.h')
| -rw-r--r-- | include/linux/fs_struct.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h index e9c32f386..53f9c44f7 100644 --- a/include/linux/fs_struct.h +++ b/include/linux/fs_struct.h @@ -31,8 +31,10 @@ static inline void set_fs_root(struct fs_struct *fs, struct vfsmount *old_rootmnt = fs->rootmnt; fs->rootmnt = mntget(mnt); fs->root = dget(dentry); - dput(old_root); - mntput(old_rootmnt); + if (old_root) { + dput(old_root); + mntput(old_rootmnt); + } } /* @@ -48,8 +50,10 @@ static inline void set_fs_pwd(struct fs_struct *fs, struct vfsmount *old_pwdmnt = fs->pwdmnt; fs->pwdmnt = mntget(mnt); fs->pwd = dget(dentry); - dput(old_pwd); - mntput(old_pwdmnt); + if (old_pwd) { + dput(old_pwd); + mntput(old_pwdmnt); + } } struct fs_struct *copy_fs_struct(struct fs_struct *old); |