Re: [PATCH v2 1/2] linux-user: fix the errno value in print_syscall_err()

[Richard Henderson]

On 7/8/20 8:24 AM, Laurent Vivier wrote:
> errno of the target is returned as a negative value by the syscall,
> not in the host errno variable.
> 
> The emulation of the target syscall can return an error while the
> host doesn't set an errno value. Target errnos and host errnos can
> also differ in some cases.
> 
> Fixes: c84be71f6854 ("linux-user: Extend strace support to enable argument 
> printing after syscall execution")
> Cc: Filip.Bozuta@syrmia.com
> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
> ---
>  linux-user/strace.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~