Re: [Qemu-devel] [PATCH] Avoid segfault in cpu_dump_state

["Andreas Färber" <afaerber@suse.de>]

Am 15.05.2012 11:39, schrieb Fabien Chouteau:
> Do not call cpu_dump_state if logfile is NULL.

And where is log_cpu_state() being called from? Its caller is passing
NULL already then.

Andreas

> 
> Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
> ---
>  qemu-log.h |    7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/qemu-log.h b/qemu-log.h
> index fccfb110..2cd5ffa 100644
> --- a/qemu-log.h
> +++ b/qemu-log.h
> @@ -51,7 +51,12 @@ extern int loglevel;
>  /* Special cases: */
>  
>  /* cpu_dump_state() logging functions: */
> -#define log_cpu_state(env, f) cpu_dump_state((env), logfile, fprintf, (f));
> +#define log_cpu_state(env, f)                          \
> +do {                                                   \
> +    if (logfile != NULL) {                             \
> +        cpu_dump_state((env), logfile, fprintf, (f));  \
> +    }                                                  \
> + } while (0)
>  #define log_cpu_state_mask(b, env, f) do {           \
>        if (loglevel & (b)) log_cpu_state((env), (f)); \
>    } while (0)

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