kernel/fork.c: remove redundant NULL check in dup_mm()
authorDaeseok Youn <daeseok.youn@gmail.com>
Thu, 23 Jan 2014 23:55:48 +0000 (15:55 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 24 Jan 2014 00:37:02 +0000 (16:37 -0800)
commit68ce670b6e8edc30551862e7f6a306e45389e189
tree6d11b7ba37a902af3640da2eeb7e1ab701e607ec
parent5d59e18270d4769c9160c282b25c00b6fc004ffb
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 <daeseok.youn@gmail.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/fork.c