From 73cb83af0649f958bb31b5b76f46c164c6f2952c Mon Sep 17 00:00:00 2001
From: jiangdongxu <jiangdongxu1@huawei.com>
Date: Fri, 11 Feb 2022 16:28:55 +0800
Subject: [PATCH 3/6] seabios: fix memory leak when pci check

fix code memory leak when pci check failed
free busses memory when pci_bios_check_devices function returns error in pci_setup()

Signed-off-by: liuxiangodng <liuxiangdong5@huawei.com>
Signed-off-by: jiangdongxu <jiangdongxu1@huawei.com>
---
 roms/seabios/src/fw/pciinit.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/roms/seabios/src/fw/pciinit.c b/roms/seabios/src/fw/pciinit.c
index d25931bb05..9df35d05d1 100644
--- a/roms/seabios/src/fw/pciinit.c
+++ b/roms/seabios/src/fw/pciinit.c
@@ -1171,8 +1171,11 @@ pci_setup(void)
         return;
     }
     memset(busses, 0, sizeof(*busses) * (MaxPCIBus + 1));
-    if (pci_bios_check_devices(busses))
+    if (pci_bios_check_devices(busses)) {
+        dprintf(1, "pci_bios_check_devices(busses) failed!\n");
+        free(busses);
         return;
+    }
 
     dprintf(1, "=== PCI new allocation pass #2 ===\n");
     pci_bios_map_devices(busses);
-- 
2.27.0