1 files changed, 1 insertions, 6 deletions

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 88b416dfbc72..f57854b08922 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1772,12 +1772,7 @@ static ssize_t cpuset_tasks_read(struct file *file, char __user *buf,
 {
         struct ctr_struct *ctr = file->private_data;
 
-        if (*ppos + nbytes > ctr->bufsz)
-                nbytes = ctr->bufsz - *ppos;
-        if (copy_to_user(buf, ctr->buf + *ppos, nbytes))
-                return -EFAULT;
-        *ppos += nbytes;
-        return nbytes;
+        return simple_read_from_buffer(buf, nbytes, ppos, ctr->buf, ctr->bufsz);
 }
 
 static int cpuset_tasks_release(struct inode *unused_inode, struct file *file)