desktop-shell: fix invalid memory access when shell execution fails
In this case wl_client_add_destroy_listener() was called with a NULL
client, which is invalid.
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
diff --git a/desktop-shell/shell.c b/desktop-shell/shell.c
index c8a9f01..5a60086 100644
--- a/desktop-shell/shell.c
+++ b/desktop-shell/shell.c
@@ -5349,8 +5349,10 @@
shell->client,
desktop_shell_sigchld);
- if (!shell->child.client)
+ if (!shell->child.client) {
weston_log("not able to start %s\n", shell->client);
+ return;
+ }
shell->child.client_destroy_listener.notify =
desktop_shell_client_destroy;