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Date: Wed, 28 Nov 2012 13:40:02 -0600
From: mdroth <mdroth@linux.vnet.ibm.com>
Message-ID: <20121128194002.GH8690@vm>
References: <1354021324-31561-1-git-send-email-lcapitulino@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH 06/10] qemu-ga: qmp_guest_fsfreeze_*(): get
 rid of sprintf() + error_set()
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To: Luiz Capitulino <lcapitulino@redhat.com>
Cc: qemu-devel@nongnu.org

On Tue, Nov 27, 2012 at 11:02:00AM -0200, Luiz Capitulino wrote:
> Convert them to error_setg_errno().
> 
> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>

> ---
>  qga/commands-posix.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/qga/commands-posix.c b/qga/commands-posix.c
> index 59bb32d..9325433 100644
> --- a/qga/commands-posix.c
> +++ b/qga/commands-posix.c
> @@ -433,7 +433,6 @@ int64_t qmp_guest_fsfreeze_freeze(Error **err)
>      struct FsMount *mount;
>      Error *local_err = NULL;
>      int fd;
> -    char err_msg[512];
> 
>      slog("guest-fsfreeze called");
> 
> @@ -450,9 +449,7 @@ int64_t qmp_guest_fsfreeze_freeze(Error **err)
>      QTAILQ_FOREACH(mount, &mounts, next) {
>          fd = qemu_open(mount->dirname, O_RDONLY);
>          if (fd == -1) {
> -            sprintf(err_msg, "failed to open %s, %s", mount->dirname,
> -                    strerror(errno));
> -            error_set(err, QERR_QGA_COMMAND_FAILED, err_msg);
> +            error_setg_errno(err, errno, "failed to open %s", mount->dirname);
>              goto error;
>          }
> 
> @@ -468,9 +465,8 @@ int64_t qmp_guest_fsfreeze_freeze(Error **err)
>          ret = ioctl(fd, FIFREEZE);
>          if (ret == -1) {
>              if (errno != EOPNOTSUPP) {
> -                sprintf(err_msg, "failed to freeze %s, %s",
> -                        mount->dirname, strerror(errno));
> -                error_set(err, QERR_QGA_COMMAND_FAILED, err_msg);
> +                error_setg_errno(err, errno, "failed to freeze %s",
> +                                 mount->dirname);
>                  close(fd);
>                  goto error;
>              }
> -- 
> 1.8.0
>