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Re: [Qemu-trivial] [Qemu-devel] [PATCH RESEND] monitor: Fix return type
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-trivial] [Qemu-devel] [PATCH RESEND] monitor: Fix return type of monitor_fdset_dup_fd_find |
Date: |
Tue, 14 May 2019 16:00:19 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) |
Yury Kotov <address@hidden> writes:
> monitor_fdset_dup_fd_find_remove() and monitor_fdset_dup_fd_find()
> returns mon_fdset->id which is int64_t. Downcast from int64_t to int leads to
Grammar nits:
s/returns/return/
s/Downcast/Downcasting/
> a bug with removing fd from fdset which id >= 2^32.
s/which/with/
> So, fix return types for these function.
>
> Signed-off-by: Yury Kotov <address@hidden>
> ---
If I feed your message to git-am, I get
Applying: monitor: Fix return type of monitor_fdset_dup_fd_find
error: corrupt patch at line 12
Patch failed at 0001 monitor: Fix return type of monitor_fdset_dup_fd_find
[...]
Did you use git-send-email?
> include/monitor/monitor.h | 2 +-
> monitor.c | 4 ++--
> stubs/fdset.c | 2 +-
> 3 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h
> index c1b40a9cac..2872621afd 100644
> --- a/include/monitor/monitor.h
> +++ b/include/monitor/monitor.h
> @@ -46,7 +46,7 @@ AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_=
> id, int64_t fdset_id,
> int monitor_fdset_get_fd(int64_t fdset_id, int flags);
> int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd);
> void monitor_fdset_dup_fd_remove(int dup_fd);
> -int monitor_fdset_dup_fd_find(int dup_fd);
> +int64_t monitor_fdset_dup_fd_find(int dup_fd);
> =20
Looks mime-damaged.
> void monitor_vfprintf(FILE *stream,
> const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
> diff --git a/monitor.c b/monitor.c
> index 4807bbe811..50e6e820d6 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -2585,7 +2585,7 @@ err:
> return -1;
> }
> =20
> -static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
> +static int64_t monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
> {
> MonFdset *mon_fdset;
> MonFdsetFd *mon_fdset_fd_dup;
> @@ -2613,7 +2613,7 @@ err:
> return -1;
> }
> =20
> -int monitor_fdset_dup_fd_find(int dup_fd)
> +int64_t monitor_fdset_dup_fd_find(int dup_fd)
> {
> return monitor_fdset_dup_fd_find_remove(dup_fd, false);
> }
> diff --git a/stubs/fdset.c b/stubs/fdset.c
> index 4f3edf2ea4..a1b8f41f62 100644
> --- a/stubs/fdset.c
> +++ b/stubs/fdset.c
> @@ -7,7 +7,7 @@ int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd=
> )
> return -1;
> }
> =20
> -int monitor_fdset_dup_fd_find(int dup_fd)
> +int64_t monitor_fdset_dup_fd_find(int dup_fd)
> {
> return -1;
> }
> --=20
> 2.21.0
The patch is complete because:
* monitor_fdset_dup_fd_find_remove() is used only by
monitor_fdset_dup_fd_find(), which you fix as well, and
monitor_fdset_dup_fd_remove(), which ignores the return value.
* monitor_fdset_dup_fd_find() is used only by qemu_close(), which stores
the return value in an int64_t.
Reviewed-by: Markus Armbruster <address@hidden>