From: Akinobu Mita <akinobu.mita@gmail.com>

The return value of copy_process() should be checked by IS_ERR().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 kernel/fork.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff -puN kernel/fork.c~fix-copy_process-error-check kernel/fork.c
--- a/kernel/fork.c~fix-copy_process-error-check
+++ a/kernel/fork.c
@@ -1331,9 +1331,8 @@ struct task_struct * __devinit fork_idle
 	struct pt_regs regs;
 
 	task = copy_process(CLONE_VM, 0, idle_regs(&regs), 0, NULL, NULL, 0);
-	if (!task)
-		return ERR_PTR(-ENOMEM);
-	init_idle(task, cpu);
+	if (!IS_ERR(task))
+		init_idle(task, cpu);
 
 	return task;
 }
_