1 files changed, 4 insertions, 6 deletions

diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
index 8973cd231ece..a447092d4635 100644
--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -25,7 +25,7 @@
 /**
  * process_vm_rw_pages - read/write pages from task specified
  * @pages: array of pointers to pages we want to copy
- * @start_offset: offset in page to start copying from/to
+ * @offset: offset in page to start copying from/to
  * @len: number of bytes to copy
  * @iter: where to copy to/from locally
  * @vm_write: 0 means copy from, 1 means copy to
@@ -147,6 +147,7 @@ static int process_vm_rw_single_vec(unsigned long addr,
  * @riovcnt: size of rvec array
  * @flags: currently unused
  * @vm_write: 0 if reading from other process, 1 if writing to other process
+ *
  * Returns the number of bytes read/written or error code. May
  *  return less bytes than expected if an error occurs during the copying
  *  process.
@@ -197,11 +198,7 @@ static ssize_t process_vm_rw_core(pid_t pid, struct iov_iter *iter,
         }
 
         /* Get process information */
-        rcu_read_lock();
-        task = find_task_by_vpid(pid);
-        if (task)
-                get_task_struct(task);
-        rcu_read_unlock();
+        task = find_get_task_by_vpid(pid);
         if (!task) {
                 rc = -ESRCH;
                 goto free_proc_pages;
@@ -253,6 +250,7 @@ free_proc_pages:
  * @riovcnt: size of rvec array
  * @flags: currently unused
  * @vm_write: 0 if reading from other process, 1 if writing to other process
+ *
  * Returns the number of bytes read/written or error code. May
  *  return less bytes than expected if an error occurs during the copying
  *  process.