1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c
index ec7100556c50..ac9cfa9701ea 100644
--- a/drivers/char/mbcs.c
+++ b/drivers/char/mbcs.c
@@ -394,7 +394,7 @@ int mbcs_open(struct inode *ip, struct file *fp)
         return -ENODEV;
 }
 
-ssize_t mbcs_sram_read(struct file * fp, char *buf, size_t len, loff_t * off)
+ssize_t mbcs_sram_read(struct file * fp, char __user *buf, size_t len, loff_t * off)
 {
         struct cx_dev *cx_dev = fp->private_data;
         struct mbcs_soft *soft = cx_dev->soft;
@@ -419,7 +419,7 @@ ssize_t mbcs_sram_read(struct file * fp, char *buf, size_t len, loff_t * off)
 }
 
 ssize_t
-mbcs_sram_write(struct file * fp, const char *buf, size_t len, loff_t * off)
+mbcs_sram_write(struct file * fp, const char __user *buf, size_t len, loff_t * off)
 {
         struct cx_dev *cx_dev = fp->private_data;
         struct mbcs_soft *soft = cx_dev->soft;