From: Andrei Borzenkov <arvidjaar@gmail.com>
Date: Sat, 20 Jun 2015 20:38:18 +0000 (+0300)
Subject: usb: fix use after free
X-Git-Tag: 2.02-beta3~271
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf0b0306d818e1b79745420b2bdca449ba881130;p=thirdparty%2Fgrub.git

usb: fix use after free

Found by: Coverity scan.
CID: 96704
---

diff --git a/grub-core/bus/usb/usbtrans.c b/grub-core/bus/usb/usbtrans.c
index b614997f2..ee8680853 100644
--- a/grub-core/bus/usb/usbtrans.c
+++ b/grub-core/bus/usb/usbtrans.c
@@ -311,8 +311,8 @@ grub_usb_bulk_finish_readwrite (grub_usb_transfer_t transfer)
 		 transfer->size + 1);
 
   grub_free (transfer->transactions);
-  grub_free (transfer);
   grub_dma_free (transfer->data_chunk);
+  grub_free (transfer);
 }
 
 static grub_usb_err_t