diff options
author | Daeseok Youn <[email protected]> | 2014-01-23 15:55:48 -0800 |
---|---|---|
committer | Linus Torvalds <[email protected]> | 2014-01-23 16:37:02 -0800 |
commit | 68ce670b6e8edc30551862e7f6a306e45389e189 (patch) | |
tree | 6d11b7ba37a902af3640da2eeb7e1ab701e607ec | |
parent | 5d59e18270d4769c9160c282b25c00b6fc004ffb (diff) |
kernel/fork.c: remove redundant NULL check in dup_mm()
current->mm doesn't need a NULL check in dup_mm(). Becasue dup_mm() is
used only in copy_mm() and current->mm is checked whether it is NULL or
not in copy_mm() before calling dup_mm().
Signed-off-by: Daeseok Youn <[email protected]>
Acked-by: Oleg Nesterov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r-- | kernel/fork.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 01ccc6109918..b6dd0bbf4240 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -805,9 +805,6 @@ static struct mm_struct *dup_mm(struct task_struct *tsk) struct mm_struct *mm, *oldmm = current->mm; int err; - if (!oldmm) - return NULL; - mm = allocate_mm(); if (!mm) goto fail_nomem; |