ovl: fix get_acl() on tmpfs
tmpfs doesn't have ->get_acl() because it only uses cached acls.
This fixes the acl tests in pjdfstest when tmpfs is used as the upper layer
of the overlay.
Reported-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Fixes: 39a25b2b37
("ovl: define ->get_acl() for overlay inodes")
Cc: <stable@vger.kernel.org> # v4.8
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@ -270,9 +270,6 @@ struct posix_acl *ovl_get_acl(struct inode *inode, int type)
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if (!IS_ENABLED(CONFIG_FS_POSIX_ACL) || !IS_POSIXACL(realinode))
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return NULL;
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if (!realinode->i_op->get_acl)
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return NULL;
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old_cred = ovl_override_creds(inode->i_sb);
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acl = get_acl(realinode, type);
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revert_creds(old_cred);
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