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]
> This patch fixes nothing, sorry, so I can't accept it.
>
> greg k-h
>
> .
>
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