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We store sc_cmd->cmnd[0] which is an unsigned char in io_log->op so this should also be unsigned char. The other thing is that this is displayed in the debugfs: seq_printf(s, "0x%02x:", io_log->op); Smatch complains that the formatting won't work for negative values so changing it to unsigned silences that warning as well. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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.