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-rw-r--r--kernel/cpuset.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 88b416dfbc7..f57854b0892 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)