Re: [Qemu-devel] [PATCH 05/18] block/ssh: Drop superfluous libssh2_session_last_errno() calls

["Richard W.M. Jones" <rjones@redhat.com>]

On Wed, May 14, 2014 at 01:06:21PM +0200, Markus Armbruster wrote:
> "Richard W.M. Jones" <rjones@redhat.com> writes:
> 
> > On Tue, May 13, 2014 at 06:02:39PM +0200, Markus Armbruster wrote:
> >> libssh2_session_last_error() already returns the error code.
> >> 
> >> Cc: "Richard W.M. Jones" <rjones@redhat.com>
> >> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> >> ---
> >>  block/ssh.c | 9 ++++-----
> >>  1 file changed, 4 insertions(+), 5 deletions(-)
> >> 
> >> diff --git a/block/ssh.c b/block/ssh.c
> >> index aa63c9d..e38d232 100644
> >> --- a/block/ssh.c
> >> +++ b/block/ssh.c
> >> @@ -121,10 +121,9 @@ session_error_report(BDRVSSHState *s, const char *fs, ...)
> >>          char *ssh_err;
> >>          int ssh_err_code;
> >>  
> >> -        libssh2_session_last_error((s)->session, &ssh_err, NULL, 0);
> >>          /* This is not an errno.  See <libssh2.h>. */
> >> -        ssh_err_code = libssh2_session_last_errno((s)->session);
> >> -
> >> +        ssh_err_code = libssh2_session_last_error(s->session,
> >> +                                                  &ssh_err, NULL, 0);
> >>          error_printf(": %s (libssh2 error code: %d)", ssh_err, ssh_err_code);
> >>      }
> >>  
> >> @@ -145,9 +144,9 @@ sftp_error_report(BDRVSSHState *s, const char *fs, ...)
> >>          int ssh_err_code;
> >>          unsigned long sftp_err_code;
> >>  
> >> -        libssh2_session_last_error((s)->session, &ssh_err, NULL, 0);
> >>          /* This is not an errno.  See <libssh2.h>. */
> >> -        ssh_err_code = libssh2_session_last_errno((s)->session);
> >> +        ssh_err_code = libssh2_session_last_error(s->session,
> >> +                                                  &ssh_err, NULL, 0);
> >>          /* See <libssh2_sftp.h>. */
> >>          sftp_err_code = libssh2_sftp_last_error((s)->sftp);
> >
> > Yes, I'm not quite sure what was happening here.  I checked the source
> > of libssh2 and as you say, libssh2_session_last_error returns the
> > error code, so there is no need to call libssh2_session_last_errno as
> > well.
> >
> > Therefore, ACK.
> 
> Did you review the patch?  If yes, I'd like to convert your ACK to a
> formal Reviewed-by.  Same for PATCH 06-09.

Yes, I applied all 5 of them to qemu.git, compiled it and also checked
over the patches.

So ACK to all of them.

Do I need to do something else?

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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