Blackfin: sram_free_with_lsl: do not ignore return value of sram_free

If there was an error in the lower free functions, we need to pass that
back up so the calling process is able to check things.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

arch/blackfin/mm/sram-alloc.c

@@ -704,18 +704,18 @@ int sram_free_with_lsl(const void *addr)
 {
 	struct sram_list_struct *lsl, **tmp;
 	struct mm_struct *mm = current->mm;
+	int ret = -1;
 
 	for (tmp = &mm->context.sram_list; *tmp; tmp = &(*tmp)->next)
-		if ((*tmp)->addr == addr)
-			goto found;
-	return -1;
-found:
-	lsl = *tmp;
-	sram_free(addr);
-	*tmp = lsl->next;
-	kfree(lsl);
+		if ((*tmp)->addr == addr) {
+			lsl = *tmp;
+			ret = sram_free(addr);
+			*tmp = lsl->next;
+			kfree(lsl);
+			break;
+		}
 
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL(sram_free_with_lsl);