On Thu, Jun 13, 2019 at 03:08:24PM -0300, Charles wrote: > Avoid following compiler warning on uninitialized variable > > In file included from ./include/linux/rwsem.h:16:0, > from ./include/linux/notifier.h:15, > from ./include/linux/clk.h:17, > from drivers/tty/serial/sh-sci.c:24: > drivers/tty/serial/sh-sci.c: In function ‘sci_dma_rx_submit’: > ./include/linux/spinlock.h:288:3: warning: ‘flags’ may be used > uninitialized in this function [-Wmaybe-uninitialized] > _raw_spin_unlock_irqrestore(lock, flags); \ > ^~~~~~~~~~~~~~~~~~~~~~~~~~~ > drivers/tty/serial/sh-sci.c:1353:16: note: ‘flags’ was declared here > unsigned long flags; > ^~~~~ What version of gcc is doing this? It should be smarter than that, perhaps you should just upgrade. thanks, greg k-h
