Xserver: fix potential crash

* dix/extension.c:
	  (AddExtensionAlias): don't crash when failed to add
	  extension alias.
This commit is contained in:
Dodji Seketeli 2007-08-30 22:31:47 +02:00 committed by Dodji Seketeli
parent 024abe825c
commit 8c78df0ea3

View File

@ -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)