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Re: [Qemu-devel] [PATCH] linux-user: fix error propagation in clock_gett
From: |
Laurent Vivier |
Subject: |
Re: [Qemu-devel] [PATCH] linux-user: fix error propagation in clock_gettime |
Date: |
Sun, 1 Apr 2018 23:05:04 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
Le 01/04/2018 à 22:37, Max Filippov a écrit :
> host_to_target_timespec may return error if target address could not be
> locked, but it is ignored.
> Propagate return value of host_to_target_timespec to the caller of
> clock_gettime.
>
> Signed-off-by: Max Filippov <address@hidden>
> ---
> linux-user/syscall.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index d51e2a00ee31..52e2f9c16479 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -11884,7 +11884,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long
> arg1,
> struct timespec ts;
> ret = get_errno(clock_gettime(arg1, &ts));
> if (!is_error(ret)) {
> - host_to_target_timespec(arg2, &ts);
> + ret = host_to_target_timespec(arg2, &ts);
> }
> break;
> }
>
Could you also update in the same way clock_getres?
There are other syscalls ignoring result of host_to_target_timespec(),
but they are also ignoring result of target_to_host_timespec, but I
don't think the -rc stage is the good moment to fix them all.
Thanks,
Laurent