1 files changed, 1 insertions, 1 deletions

diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process_kern.c
index 3113cab8675e..6922bdfb5ad5 100644
--- a/arch/um/kernel/process_kern.c
+++ b/arch/um/kernel/process_kern.c
@@ -407,7 +407,7 @@ static int proc_read_sysemu(char *buf, char **start, off_t offset, int size,int
         return strlen(buf);
 }
 
-static int proc_write_sysemu(struct file *file,const char *buf, unsigned long count,void *data)
+static int proc_write_sysemu(struct file *file,const char __user *buf, unsigned long count,void *data)
 {
         char tmp[2];