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vnc: introduce a single label for error returns 

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-10-18 09:07:05 +02:00
parent c1c1619c8b
commit 1ce52c78ab
1 changed files with 17 additions and 25 deletions
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42
ui/vnc.c
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@ -2874,8 +2874,7 @@ int vnc_display_open(DisplayState *ds, const char *display)
if (strcmp(display, "none") == 0) if (strcmp(display, "none") == 0)
return 0; return 0;
if (!(vs->display = strdup(display))) vs->display = g_strdup(display);
return -1;
vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE; vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE;
options = display; options = display;
@ -2887,9 +2886,7 @@ int vnc_display_open(DisplayState *ds, const char *display)
"VNC password auth disabled due to FIPS mode, " "VNC password auth disabled due to FIPS mode, "
"consider using the VeNCrypt or SASL authentication " "consider using the VeNCrypt or SASL authentication "
"methods as an alternative\n"); "methods as an alternative\n");
g_free(vs->display); goto fail;
vs->display = NULL;
return -1;
} }
password = 1; /* Require password auth */ password = 1; /* Require password auth */
} else if (strncmp(options, "reverse", 7) == 0) { } else if (strncmp(options, "reverse", 7) == 0) {
@ -2921,16 +2918,12 @@ int vnc_display_open(DisplayState *ds, const char *display)
if (vnc_tls_set_x509_creds_dir(vs, path) < 0) { if (vnc_tls_set_x509_creds_dir(vs, path) < 0) {
fprintf(stderr, "Failed to find x509 certificates/keys in %s\n", path); fprintf(stderr, "Failed to find x509 certificates/keys in %s\n", path);
g_free(path); g_free(path);
g_free(vs->display); goto fail;
vs->display = NULL;
return -1;
} }
g_free(path); g_free(path);
} else { } else {
fprintf(stderr, "No certificate path provided\n"); fprintf(stderr, "No certificate path provided\n");
g_free(vs->display); goto fail;
vs->display = NULL;
return -1;
} }
#endif #endif
#if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL)
@ -2950,9 +2943,7 @@ int vnc_display_open(DisplayState *ds, const char *display)
vs->share_policy = VNC_SHARE_POLICY_FORCE_SHARED; vs->share_policy = VNC_SHARE_POLICY_FORCE_SHARED;
} else { } else {
fprintf(stderr, "unknown vnc share= option\n"); fprintf(stderr, "unknown vnc share= option\n");
g_free(vs->display); goto fail;
vs->display = NULL;
return -1;
} }
} }
} }
@ -3055,9 +3046,7 @@ int vnc_display_open(DisplayState *ds, const char *display)
if ((saslErr = sasl_server_init(NULL, "qemu")) != SASL_OK) { if ((saslErr = sasl_server_init(NULL, "qemu")) != SASL_OK) {
fprintf(stderr, "Failed to initialize SASL auth %s", fprintf(stderr, "Failed to initialize SASL auth %s",
sasl_errstring(saslErr, NULL, NULL)); sasl_errstring(saslErr, NULL, NULL));
g_free(vs->display); goto fail;
vs->display = NULL;
return -1;
} }
#endif #endif
vs->lock_key_sync = lock_key_sync; vs->lock_key_sync = lock_key_sync;
@ -3069,9 +3058,7 @@ int vnc_display_open(DisplayState *ds, const char *display)
else else
vs->lsock = inet_connect(display, NULL); vs->lsock = inet_connect(display, NULL);
if (vs->lsock < 0) { if (vs->lsock < 0) {
g_free(vs->display); goto fail;
vs->display = NULL;
return -1;
} else { } else {
int csock = vs->lsock; int csock = vs->lsock;
vs->lsock = -1; vs->lsock = -1;
@ -3092,13 +3079,18 @@ int vnc_display_open(DisplayState *ds, const char *display)
} }
if (vs->lsock < 0) { if (vs->lsock < 0) {
g_free(dpy); g_free(dpy);
return -1; goto fail;
} else {
g_free(vs->display);
vs->display = dpy;
} }
g_free(vs->display);
vs->display = dpy;
qemu_set_fd_handler2(vs->lsock, NULL, vnc_listen_read, NULL, vs);
} }
return qemu_set_fd_handler2(vs->lsock, NULL, vnc_listen_read, NULL, vs); return 0;
fail:
g_free(vs->display);
vs->display = NULL;
return -1;
} }
void vnc_display_add_client(DisplayState *ds, int csock, int skipauth) void vnc_display_add_client(DisplayState *ds, int csock, int skipauth)