Re: [PATCH] aspeed/i2c:fix uninitialized variable warning

[Thomas Huth <thuth@redhat.com>]

On 06/02/2020 05.07, kuhn.chenqun@huawei.com wrote:
> From: Chen Qun <kuhn.chenqun@huawei.com>
> 
> Fix warning:
> hw/i2c/aspeed_i2c.c: In function ‘aspeed_i2c_bus_write’:
> glib/glib-autocleanups.h:28:3: warning: ‘cmd_flags’ may be
> used uninitialized in this function [-Wmaybe-uninitialized]
>    g_free (*pp);
>    ^~~~~~~~~~~~
> hw/i2c/aspeed_i2c.c:403:22: note: ‘cmd_flags’ was declared here
>      g_autofree char *cmd_flags;
>                       ^~~~~~~~~
> 
> Reported-by: Euler Robot <euler.robot@huawei.com>
> Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
> ---
>  hw/i2c/aspeed_i2c.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c
> index 9cda968501..fb973a983d 100644
> --- a/hw/i2c/aspeed_i2c.c
> +++ b/hw/i2c/aspeed_i2c.c
> @@ -400,7 +400,7 @@ static bool aspeed_i2c_check_sram(AspeedI2CBus *bus)
>  
>  static void aspeed_i2c_bus_cmd_dump(AspeedI2CBus *bus)
>  {
> -    g_autofree char *cmd_flags;
> +    g_autofree char *cmd_flags = NULL;
>      uint32_t count;
>  
>      if (bus->cmd & (I2CD_RX_BUFF_ENABLE | I2CD_RX_BUFF_ENABLE)) {
> 

Thanks. Looks like the same patch that has been reported already here:

https://lists.gnu.org/archive/html/qemu-devel/2020-01/msg04492.html

Could someone please pick this up (e.g. qemu-trivial?)?

 Thomas