Changeset 8a4ceaa in mainline for uspace/srv/hid/display/cfgops.c

Timestamp:

2023-08-08T07:33:40Z (15 months ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

a77c722

Parents:

14cbf07

git-author:

Jiri Svoboda <jiri@…> (2023-08-07 17:32:47)

git-committer:

Jiri Svoboda <jiri@…> (2023-08-08 07:33:40)

Message:

Refuse to delete the last seat

File:

• uspace/srv/hid/display/cfgops.c (modified) (2 diffs)

uspace/srv/hid/display/cfgops.c

@@ -197 +197 @@
         ds_cfgclient_t *cfgclient = (ds_cfgclient_t *)arg;
         ds_seat_t *seat;
+        ds_seat_t *s;
 
         log_msg(LOG_DEFAULT, LVL_DEBUG, "dispcfg_seat_delete()");
@@ -205 +206 @@
                 ds_display_unlock(cfgclient->display);
                 return ENOENT;
+        }
+
+        /* Verify we are not deleting the last seat */
+        s = ds_display_first_seat(cfgclient->display);
+        if (s == seat && ds_display_next_seat(s) == NULL) {
+                ds_display_unlock(cfgclient->display);
+                return EBUSY;
         }