This patch removes erroneous call of shmem_unacct_size() from error path.
Shmem inode will release that memory reservation in shmem_evict_inode().
So, if following call of alloc_file fails we'll free reservation twice.

Signed-off-by: Konstantin Khlebnikov <khlebni...@openvz.org>
---
 mm/shmem.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index 8297623..ff08920 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2946,16 +2946,16 @@ struct file *shmem_file_setup(const char *name, loff_t 
size, unsigned long flags
        this.len = strlen(name);
        this.hash = 0; /* will go */
        sb = shm_mnt->mnt_sb;
+       path.mnt = mntget(shm_mnt);
        path.dentry = d_alloc_pseudo(sb, &this);
        if (!path.dentry)
                goto put_memory;
        d_set_d_op(path.dentry, &anon_ops);
-       path.mnt = mntget(shm_mnt);
 
        res = ERR_PTR(-ENOSPC);
        inode = shmem_get_inode(sb, NULL, S_IFREG | S_IRWXUGO, 0, flags);
        if (!inode)
-               goto put_dentry;
+               goto put_memory;
 
        d_instantiate(path.dentry, inode);
        inode->i_size = size;
@@ -2971,10 +2971,10 @@ struct file *shmem_file_setup(const char *name, loff_t 
size, unsigned long flags
 
        return res;
 
-put_dentry:
-       path_put(&path);
 put_memory:
        shmem_unacct_size(flags, size);
+put_dentry:
+       path_put(&path);
        return res;
 }
 EXPORT_SYMBOL_GPL(shmem_file_setup);

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