From: Fabiano Rosas <farosas@suse.de>
To: Bin Guo <guobin@linux.alibaba.com>, qemu-devel@nongnu.org
Cc: peterx@redhat.com
Subject: Re: [PATCH 2/8] migration/global_state: replace strcpy("") with explicit NUL termination
Date: Mon, 18 May 2026 17:32:24 -0300 [thread overview]
Message-ID: <875x4k4fxj.fsf@suse.de> (raw)
In-Reply-To: <20260518110112.21395-3-guobin@linux.alibaba.com>
Bin Guo <guobin@linux.alibaba.com> writes:
> Drop the unnecessary strcpy of an empty literal (and its spurious
> (char *)& cast) in favor of a direct NUL store, which avoids the
> libc call and hides no bugs behind a cast.
>
> Signed-off-by: Bin Guo <guobin@linux.alibaba.com>
> ---
> migration/global_state.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/migration/global_state.c b/migration/global_state.c
> index c1f90fce0f..91fefdf525 100644
> --- a/migration/global_state.c
> +++ b/migration/global_state.c
> @@ -148,7 +148,7 @@ static const VMStateDescription vmstate_globalstate = {
> void register_global_state(void)
> {
> /* We would use it independently that we receive it */
> - strcpy((char *)&global_state.runstate, "");
> + global_state.runstate[0] = '\0';
> global_state.received = false;
> vmstate_register(NULL, 0, &vmstate_globalstate, &global_state);
> }
Reviewed-by: Fabiano Rosas <farosas@suse.de>
next prev parent reply other threads:[~2026-05-18 20:33 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-18 11:01 [PATCH 0/8] migration: cleanups, fixes and micro-optimizations Bin Guo
2026-05-18 11:01 ` [PATCH 1/8] migration/fd: collapse migration_fd_valid into single boolean expression Bin Guo
2026-05-18 20:22 ` Fabiano Rosas
2026-05-18 11:01 ` [PATCH 2/8] migration/global_state: replace strcpy("") with explicit NUL termination Bin Guo
2026-05-18 20:32 ` Fabiano Rosas [this message]
2026-05-18 11:01 ` [PATCH 3/8] migration/vmstate: avoid per-element heap churn in vmsd ptr marker field Bin Guo
2026-05-19 7:32 ` Fabiano Rosas
2026-05-18 11:01 ` [PATCH 4/8] migration/savevm: use stack-allocated bitmap in configuration_validate_capabilities Bin Guo
2026-05-18 20:53 ` Fabiano Rosas
2026-05-18 11:01 ` [PATCH 5/8] migration/multifd: fix off-by-one in recv channel ID validation Bin Guo
2026-05-18 19:43 ` Fabiano Rosas
2026-05-18 11:01 ` [PATCH 6/8] migration/multifd: merge thread-join and cleanup loops in multifd_recv_cleanup Bin Guo
2026-05-18 20:21 ` Fabiano Rosas
2026-05-18 11:01 ` [PATCH 7/8] migration/multifd: cache migrate_multifd_channels() in send/recv hot paths Bin Guo
2026-05-19 7:16 ` Fabiano Rosas
2026-05-18 11:01 ` [PATCH 8/8] migration/multifd: cache channel count in multifd_send_sync_main Bin Guo
2026-05-19 7:17 ` Fabiano Rosas
2026-05-20 19:33 ` [PATCH 0/8] migration: cleanups, fixes and micro-optimizations Peter Xu
-- strict thread matches above, loose matches on Subject: below --
2026-05-18 10:51 Bin Guo
2026-05-18 10:51 ` [PATCH 2/8] migration/global_state: replace strcpy("") with explicit NUL termination Bin Guo
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