On Mon, Mar 09, 2015 at 04:41:00PM +0800, Zhang Zhen wrote: > On 2015/3/9 16:22, Greg KH wrote: > > On Mon, Mar 09, 2015 at 03:42:30PM +0800, Zhang Zhen wrote: > >> drivers/tty/serial/8250/8250_core.c: In function > >> ‘serial8250_console_write’: > >> drivers/tty/serial/8250/8250_core.c:3244: warning: ‘flags’ may be used u > >> unitialized in this function > >> > >> Signed-off-by: Zhang Zhen <[email protected]> > >> --- > >> drivers/tty/serial/8250/8250_core.c | 2 +- > >> 1 file changed, 1 insertion(+), 1 deletion(-) > >> > >> diff --git a/drivers/tty/serial/8250/8250_core.c > >> b/drivers/tty/serial/8250/8250_core.c > >> index deae122..50702e2 100644 > >> --- a/drivers/tty/serial/8250/8250_core.c > >> +++ b/drivers/tty/serial/8250/8250_core.c > >> @@ -3241,7 +3241,7 @@ serial8250_console_write(struct console *co, const > >> char *s, unsigned int count) > >> { > >> struct uart_8250_port *up = &serial8250_ports[co->index]; > >> struct uart_port *port = &up->port; > >> - unsigned long flags; > >> + unsigned long flags = 0; > >> unsigned int ier; > >> int locked = 1; > >> > > > > Sparse generated this? Or did a broken / old version of gcc? > > > Sorry, it's a gcc warning. > > My gcc version is: > gcc (SUSE Linux) 4.3.4 [gcc-4_3-branch revision 152973]
That's really old and obsolete, please use a modern version of gcc, especially when sending in patches for compiler warnings. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
