From: Konstantin Khlebnikov <koct9i@gmail.com>
Date: Wed, 6 Aug 2014 23:06:32 +0000 (-0700)
Subject: shmem: fix double uncharge in __shmem_file_setup()
X-Git-Tag: cleanup-for-v3.18~96^2~137
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=66ee4b8887ec5ce04bae3e840d206db7b7ad34d1;p=pandora-kernel.git

shmem: fix double uncharge in __shmem_file_setup()

If __shmem_file_setup() fails on struct file allocation it uncharges
memory commitment twice: first by shmem_unacct_size() and second time
implicitly in shmem_evict_inode() when it kills the newly created inode.

This patch removes shmem_unacct_size() from error path if the inode was
already there.

Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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