From: Chen Gang <gang.chen.5i5j@gmail.com>
Date: Tue, 8 Sep 2015 22:03:38 +0000 (-0700)
Subject: mm/mmap.c: simplify the failure return working flow
X-Git-Tag: omap-for-v4.3/fixes-rc1~54^2~32
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e3975891254e08d220ddcafca93a0e05d9560bfb;p=pandora-kernel.git

mm/mmap.c: simplify the failure return working flow

__split_vma() doesn't need out_err label, neither need initializing err.

copy_vma() can return NULL directly when kmem_cache_alloc() fails.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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