1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 1f528fad3516..e985b1c2730e 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -805,6 +805,7 @@ static const struct file_operations full_fops = {
 static const struct file_operations oldmem_fops = {
         .read   = read_oldmem,
         .open   = open_oldmem,
+        .llseek = default_llseek,
 };
 #endif
 
@@ -831,6 +832,7 @@ static ssize_t kmsg_write(struct file *file, const char __user *buf,
 
 static const struct file_operations kmsg_fops = {
         .write = kmsg_write,
+        .llseek = noop_llseek,
 };
 
 static const struct memdev {
@@ -882,6 +884,7 @@ static int memory_open(struct inode *inode, struct file *filp)
 
 static const struct file_operations memory_fops = {
         .open = memory_open,
+        .llseek = noop_llseek,
 };
 
 static char *mem_devnode(struct device *dev, mode_t *mode)