diff options
| -rw-r--r-- | dix/extension.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/dix/extension.c b/dix/extension.c index 186574d76..4c0c3d236 100644 --- a/dix/extension.c +++ b/dix/extension.c @@ -184,6 +184,8 @@ _X_EXPORT Bool AddExtensionAlias(char *alias, ExtensionEntry *ext) char *name; char **aliases; + if (!ext) + return FALSE ; aliases = (char **)xrealloc(ext->aliases, (ext->num_aliases + 1) * sizeof(char *)); if (!aliases) |