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Re: [Qemu-devel] [PATCH 2/4] ui: avoid 'local_err' variable shadowing in
From: |
Laszlo Ersek |
Subject: |
Re: [Qemu-devel] [PATCH 2/4] ui: avoid 'local_err' variable shadowing in VNC SASL auth |
Date: |
Mon, 5 Feb 2018 13:58:22 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 |
On 02/05/18 12:49, Daniel P. Berrangé wrote:
> The start_auth_sasl() method declares a 'Error *local_err' variable in
> an inner if () {...} scope, which shadows a variable of the same name
> declared at the start of the method. This is confusing for reviewers and
> may trigger compiler warnings.
>
> Reported-by: Laszlo Ersek <address@hidden>
> Signed-off-by: Daniel P. Berrangé <address@hidden>
> ---
> ui/vnc-auth-sasl.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/ui/vnc-auth-sasl.c b/ui/vnc-auth-sasl.c
> index fbccca8c8a..8ebd0d3d00 100644
> --- a/ui/vnc-auth-sasl.c
> +++ b/ui/vnc-auth-sasl.c
> @@ -556,7 +556,6 @@ void start_auth_sasl(VncState *vs)
> /* Inform SASL that we've got an external SSF layer from TLS/x509 */
> if (vs->auth == VNC_AUTH_VENCRYPT &&
> vs->subauth == VNC_AUTH_VENCRYPT_X509SASL) {
> - Error *local_err = NULL;
> int keysize;
> sasl_ssf_t ssf;
>
> @@ -565,7 +564,6 @@ void start_auth_sasl(VncState *vs)
> if (keysize < 0) {
> trace_vnc_auth_fail(vs, vs->auth, "cannot TLS get cipher size",
> error_get_pretty(local_err));
> - error_free(local_err);
> sasl_dispose(&vs->sasl.conn);
> vs->sasl.conn = NULL;
> goto authabort;
>
Reviewed-by: Laszlo Ersek <address@hidden>