[gdm] Fix clang complaints

[Matthias Clasen <matthiasc src gnome org>]

commit c20176d4aa68cba21eaeae01ceb562f4773c3bb5
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Oct 10 16:20:06 2009 -0400

    Fix clang complaints
    
    See bug 597975.

 common/gdm-address.c                          |    7 +++++--
 daemon/gdm-session-worker.c                   |    5 ++++-
 daemon/gdm-slave.c                            |    3 +--
 gui/simple-greeter/gdm-cell-renderer-timer.c  |    2 +-
 gui/simple-greeter/gdm-user.c                 |    4 ++--
 gui/simple-greeter/test-remote-login-window.c |    2 +-
 6 files changed, 14 insertions(+), 9 deletions(-)
---
diff --git a/common/gdm-address.c b/common/gdm-address.c
index aa6f851..936ecfa 100644
--- a/common/gdm-address.c
+++ b/common/gdm-address.c
@@ -132,6 +132,7 @@ gdm_address_get_sockaddr_storage (GdmAddress *address)
         struct sockaddr_storage *ss;
 
         g_return_val_if_fail (address != NULL, NULL);
+        g_return_val_if_fail (address->ss != NULL, NULL);
 
         ss = g_memdup (address->ss, sizeof (struct sockaddr_storage));
 
@@ -200,7 +201,8 @@ gdm_address_get_hostname (GdmAddress *address,
         int      res;
         gboolean ret;
 
-        g_return_val_if_fail (address != NULL || address->ss != NULL, FALSE);
+        g_return_val_if_fail (address != NULL, FALSE);
+        g_return_val_if_fail (address->ss != NULL, FALSE);
 
         ret = FALSE;
 
@@ -238,7 +240,8 @@ gdm_address_get_numeric_info (GdmAddress *address,
         int      res;
         gboolean ret;
 
-        g_return_val_if_fail (address != NULL || address->ss != NULL, FALSE);
+        g_return_val_if_fail (address != NULL, FALSE);
+        g_return_val_if_fail (address->ss != NULL, FALSE);
 
         ret = FALSE;
 
diff --git a/daemon/gdm-session-worker.c b/daemon/gdm-session-worker.c
index 7a1fafb..47a5c08 100644
--- a/daemon/gdm-session-worker.c
+++ b/daemon/gdm-session-worker.c
@@ -183,6 +183,8 @@ open_ck_session (GdmSessionWorker  *worker)
         const char     *display_hostname;
         gboolean        is_local;
 
+        ret = FALSE;
+
         if (worker->priv->x11_display_name != NULL) {
                 display_name = worker->priv->x11_display_name;
         } else {
@@ -212,7 +214,7 @@ open_ck_session (GdmSessionWorker  *worker)
 
         pwent = getpwnam (worker->priv->username);
         if (pwent == NULL) {
-                return FALSE;
+                goto out;
         }
 
         worker->priv->ckc = ck_connector_new ();
@@ -1660,6 +1662,7 @@ gdm_session_worker_accredit_user (GdmSessionWorker  *worker,
                                    &shell);
         if (! res) {
                 g_debug ("GdmSessionWorker: Unable to lookup account info");
+                error_code = PAM_AUTHINFO_UNAVAIL;
                 g_set_error (error,
                              GDM_SESSION_WORKER_ERROR,
                              GDM_SESSION_WORKER_ERROR_GIVING_CREDENTIALS,
diff --git a/daemon/gdm-slave.c b/daemon/gdm-slave.c
index 79bdfd1..516e80f 100644
--- a/daemon/gdm-slave.c
+++ b/daemon/gdm-slave.c
@@ -789,7 +789,6 @@ gdm_slave_parse_enriched_login (GdmSlave *slave,
                 char     **argv;
                 char      *std_output;
                 char      *std_error;
-                int       *exit_status;
 
                 /* Remove the pipe symbol */
                 username[username_length-1] = '\0';
@@ -814,7 +813,7 @@ gdm_slave_parse_enriched_login (GdmSlave *slave,
                                     NULL,
                                     &std_output,
                                     &std_error,
-                                    exit_status,
+                                    NULL,
                                     &error);
 
                 g_ptr_array_foreach (env, (GFunc)g_free, NULL);
diff --git a/gui/simple-greeter/gdm-cell-renderer-timer.c b/gui/simple-greeter/gdm-cell-renderer-timer.c
index aac11d0..7918b48 100644
--- a/gui/simple-greeter/gdm-cell-renderer-timer.c
+++ b/gui/simple-greeter/gdm-cell-renderer-timer.c
@@ -119,7 +119,7 @@ gdm_cell_renderer_timer_get_size (GtkCellRenderer *cell,
                 if (cell->height >= 0) {
                         *height = cell->height;
                 } else {
-                        *width = renderer->priv->value <= G_MINDOUBLE?  0 : 64;
+                        *height = renderer->priv->value <= G_MINDOUBLE?  0 : 64;
                 }
         }
 }
diff --git a/gui/simple-greeter/gdm-user.c b/gui/simple-greeter/gdm-user.c
index 32d3d6a..79d8628 100644
--- a/gui/simple-greeter/gdm-user.c
+++ b/gui/simple-greeter/gdm-user.c
@@ -718,8 +718,8 @@ gdm_user_collate (GdmUser *user1,
         gulong      num1;
         gulong      num2;
 
-        g_return_val_if_fail (user1 == NULL || GDM_IS_USER (user1), 0);
-        g_return_val_if_fail (user2 == NULL || GDM_IS_USER (user2), 0);
+        g_return_val_if_fail (GDM_IS_USER (user1), 0);
+        g_return_val_if_fail (GDM_IS_USER (user2), 0);
 
         if (user1->real_name != NULL) {
                 str1 = user1->real_name;
diff --git a/gui/simple-greeter/test-remote-login-window.c b/gui/simple-greeter/test-remote-login-window.c
index 84d191a..e36cdb0 100644
--- a/gui/simple-greeter/test-remote-login-window.c
+++ b/gui/simple-greeter/test-remote-login-window.c
@@ -39,7 +39,7 @@ main (int argc, char *argv[])
         char             *std_out;
         char             *hostname;
         GRegex           *re;
-        GMatchInfo       *match_info;
+        GMatchInfo       *match_info = NULL;
         gboolean          res;
         GError           *error;