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Subject[PATCH] mm/shmem.c: Fix the missing unaccount on the failed path
Date
In function __shmem_file_setup(), shmem_unacct_size() is forgotten
on the failed path, so add it.

Fixes: 93dec2da7b234 ("... and switch shmem_file_setup() to alloc_file_pseudo()")
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
---
mm/shmem.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index 8e2b35ba93ad..591410dc3541 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -4200,8 +4200,10 @@ static struct file *__shmem_file_setup(struct vfsmount *mnt, const char *name, l
if (!IS_ERR(res))
res = alloc_file_pseudo(inode, mnt, name, O_RDWR,
&shmem_file_operations);
- if (IS_ERR(res))
+ if (IS_ERR(res)) {
iput(inode);
+ shmem_unacct_size(flags, size);
+ }
return res;
}

--
2.19.1.3.ge56e4f7
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