diff --git a/net/atm/proc.c b/net/atm/proc.c
index 6262aea..f85da077 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -38,6 +38,7 @@
 static const struct file_operations proc_atm_dev_ops = {
 	.owner =	THIS_MODULE,
 	.read =		proc_dev_atm_read,
+	.llseek =	noop_llseek,
 };
 
 static void add_stats(struct seq_file *seq, const char *aal,