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upf_t is a bitwise defined type and any assignment from different, but compatible, types makes static analyzer unhappy. drivers/tty/serial/serial_core.c:793:29: warning: incorrect type in assignment (different base types) drivers/tty/serial/serial_core.c:793:29: expected int [signed] flags drivers/tty/serial/serial_core.c:793:29: got restricted upf_t [usertype] flags drivers/tty/serial/serial_core.c:867:19: warning: incorrect type in assignment (different base types) drivers/tty/serial/serial_core.c:867:19: expected restricted upf_t [usertype] new_flags drivers/tty/serial/serial_core.c:867:19: got int [signed] flags Enforce corresponding types when upf_t being assigned. Note, we need __force attribute due to the scope of variable. It's being used in user space with plain old type while kernel uses bitwise one. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.