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[ Upstream commit25933573ef] Dan reported the following error message: fs/smb/server/smbacl.c:1296 smb_check_perm_dacl() error: 'posix_acls' dereferencing possible ERR_PTR() fs/smb/server/vfs.c:1323 ksmbd_vfs_make_xattr_posix_acl() error: 'posix_acls' dereferencing possible ERR_PTR() fs/smb/server/vfs.c:1830 ksmbd_vfs_inherit_posix_acl() error: 'acls' dereferencing possible ERR_PTR() __get_acl() returns a mix of error pointers and NULL. This change it with IS_ERR_OR_NULL(). Fixes:e2f34481b2("cifsd: add server-side procedures for SMB3") Cc: stable@vger.kernel.org Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.