1 files changed, 1 insertions, 0 deletions

diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 98192261491d..5ad6bc078bfd 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -174,6 +174,7 @@ static const struct file_operations debug_file_ops = {
         .write   = debug_input,
         .open    = debug_open,
         .release = debug_close,
+        .llseek  = no_llseek,
 };
 
 static struct dentry *debug_debugfs_root_entry;