tools headers UAPI: Sync linux/prctl.h with the kernel sources

[linux-2.6-microblaze.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index 771e0ea..dc06afd 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1145,7 +1145,7 @@ void mmput_async(struct mm_struct *mm)
  * invocations: in mmput() nobody alive left, in execve task is single
  * threaded. sys_prctl(PR_SET_MM_MAP/EXE_FILE) also needs to set the
  * mm->exe_file, but does so without using set_mm_exe_file() in order
- * to do avoid the need for any locks.
+ * to avoid the need for any locks.
  */
 void set_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file)
 {
@@ -1396,7 +1396,6 @@ fail_nomem:
 static int copy_mm(unsigned long clone_flags, struct task_struct *tsk)
 {
        struct mm_struct *mm, *oldmm;
-       int retval;
 
        tsk->min_flt = tsk->maj_flt = 0;
        tsk->nvcsw = tsk->nivcsw = 0;
@@ -1423,21 +1422,15 @@ static int copy_mm(unsigned long clone_flags, struct task_struct *tsk)
        if (clone_flags & CLONE_VM) {
                mmget(oldmm);
                mm = oldmm;
-               goto good_mm;
+       } else {
+               mm = dup_mm(tsk, current->mm);
+               if (!mm)
+                       return -ENOMEM;
        }
 
-       retval = -ENOMEM;
-       mm = dup_mm(tsk, current->mm);
-       if (!mm)
-               goto fail_nomem;
-
-good_mm:
        tsk->mm = mm;
        tsk->active_mm = mm;
        return 0;
-
-fail_nomem:
-       return retval;
 }
 
 static int copy_fs(unsigned long clone_flags, struct task_struct *tsk)
@@ -1743,7 +1736,7 @@ static int pidfd_release(struct inode *inode, struct file *file)
  * /proc/<pid>/status where Pid and NSpid are always shown relative to
  * the  pid namespace of the procfs instance. The difference becomes
  * obvious when sending around a pidfd between pid namespaces from a
- * different branch of the tree, i.e. where no ancestoral relation is
+ * different branch of the tree, i.e. where no ancestral relation is
  * present between the pid namespaces:
  * - create two new pid namespaces ns1 and ns2 in the initial pid
  *   namespace (also take care to create new mount namespaces in the
@@ -2735,8 +2728,8 @@ static bool clone3_args_valid(struct kernel_clone_args *kargs)
                return false;
 
        /*
-        * - make the CLONE_DETACHED bit reuseable for clone3
-        * - make the CSIGNAL bits reuseable for clone3
+        * - make the CLONE_DETACHED bit reusable for clone3
+        * - make the CSIGNAL bits reusable for clone3
         */
        if (kargs->flags & (CLONE_DETACHED | CSIGNAL))
                return false;