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 <zhenzhang.zhang@xxxxxxxxxx>
> >> ---
> >> 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
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