int ret = -1;
struct procprotect_ctx *ctx;
struct nameidata *nd = (struct nameidata *) regs->di;
- struct dentry *parent = nd->path.dentry;
- struct inode *pinode = parent->d_inode;
+ struct dentry *parent;
+ struct inode *pinode;
+
+ if (!nd) return;
+ parent = nd->path.dentry;
+
+ if (!parent) return;
+ pinode = parent->d_inode;
if (pinode->i_sb->s_magic == PROC_SUPER_MAGIC
&& current->nsproxy->mnt_ns!=init_task.nsproxy->mnt_ns) {
struct procprotect_ctx *ctx;
struct nameidata *nd = (struct nameidata *) regs->di;
struct path *p = (struct path *) regs->si;
+ struct dentry *parent;
+ struct inode *pinode;
- struct dentry *parent = nd->path.dentry;
- struct inode *pinode = parent->d_inode;
+ if (!nd) return;
+ parent = nd->path.dentry;
+ if (!parent) return;
+ pinode= parent->d_inode;
if (pinode->i_sb->s_magic == PROC_SUPER_MAGIC
&& current->nsproxy->mnt_ns!=init_task.nsproxy->mnt_ns) {