We will miss shmem_unacct_size() when is_idmapped_mnt() returns a failure.
Move is_idmapped_mnt() before shmem_acct_size() to fix the issue.
Fixes: 7a80e5b8c6fa7 ("shmem: support idmapped mounts for tmpfs")
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
---
mm/shmem.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/mm/shmem.c b/mm/shmem.c
index 980fa15f393e..495e661eb8bb 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -5812,12 +5812,12 @@ static struct file *__shmem_file_setup(struct vfsmount *mnt, const char *name,
if (size < 0 || size > MAX_LFS_FILESIZE)
return ERR_PTR(-EINVAL);
- if (shmem_acct_size(flags, size))
- return ERR_PTR(-ENOMEM);
-
if (is_idmapped_mnt(mnt))
return ERR_PTR(-EINVAL);
+ if (shmem_acct_size(flags, size))
+ return ERR_PTR(-ENOMEM);
+
inode = shmem_get_inode(&nop_mnt_idmap, mnt->mnt_sb, NULL,
S_IFREG | S_IRWXUGO, 0, flags);
if (IS_ERR(inode)) {
--
2.30.0