The problematic code looks like this: res_seq = res_hdr->xd_hdr.length_sn & TB_XDOMAIN_SN_MASK; res_seq >>= TB_XDOMAIN_SN_SHIFT; TB_XDOMAIN_SN_SHIFT is 27, and right shifting a u8 27 bits is always going to result in zero. The fix is to declare these variables as u32. Fixes: d1ff70241a27 ("thunderbolt: Add support for XDomain discovery protocol") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.
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