X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=procprotect.c;h=1c3e8035e01f840e61fe6e1e74742835b3e6ed6e;hb=a228713aa85d37131e66ef97ace695b4a77617f4;hp=741a7999081b8544059c35f02f004b003ebcce38;hpb=6b5f4d1c8ec902f63b1444fa107c2366ae5d435f;p=procprotect.git

diff --git a/procprotect.c b/procprotect.c
index 741a799..1c3e803 100644
--- a/procprotect.c
+++ b/procprotect.c
@@ -94,12 +94,14 @@ static int lookup_fast_entry(struct kretprobe_instance *ri, struct pt_regs *regs
     struct dentry *parent;
     struct inode *pinode;
 	
-	if (!nd) return;
+	if (!nd) return ret;
 	parent = nd->path.dentry;
 
-	if (!parent) return;
+	if (!parent) return ret;
 	pinode = parent->d_inode;
 
+	if (!pinode || !pinode->i_sb || !current || !current->nsproxy) return ret;
+
     if (pinode->i_sb->s_magic == PROC_SUPER_MAGIC
             && current->nsproxy->mnt_ns!=init_task.nsproxy->mnt_ns) {	
         ctx = (struct procprotect_ctx *) ri->data;