Catch various cases in libpayload where malloc() or memalign() return NULL

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4474 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

payloads/libpayload/libc/lar.c

@@ -113,6 +113,10 @@ struct LAR *openlar(void *addr)
 	 * tear on the heap */
 
 	lar->headers = malloc(16 * sizeof(void *));
+
+	if (!lar->headers)
+		return NULL;
+
 	lar->alloc = 16;
 	lar->count = lar->eof = 0;
 	lar->cindex = 0;