[PATCH] fix copy_process() error check

[Akinobu Mita]

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

Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>

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

Index: work-fault-inject/kernel/fork.c
===================================================================
--- work-fault-inject.orig/kernel/fork.c
+++ work-fault-inject/kernel/fork.c
@@ -1318,9 +1318,8 @@ 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;
 }
-
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