Revision: 14354
http://edk2.svn.sourceforge.net/edk2/?rev=14354&view=rev
Author: sfu5
Date: 2013-05-14 03:01:51 +0000 (Tue, 14 May 2013)
Log Message:
-----------
Fix bug in PXE driver: memory may be freed before use.
Signed-off-by: Fu Siyuan <[email protected]>
Reviewed-by: Ye Ting <[email protected]>
Reviewed-by: Ouyang Qian <[email protected]>
Modified Paths:
--------------
trunk/edk2/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
Modified: trunk/edk2/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
===================================================================
--- trunk/edk2/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c 2013-05-13 17:22:30 UTC
(rev 14353)
+++ trunk/edk2/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c 2013-05-14 03:01:51 UTC
(rev 14354)
@@ -1353,9 +1353,6 @@
&gEfiCallerIdGuid,
&Private->Id
);
- if (Private != NULL) {
- FreePool (Private);
- }
}
if (IpVersion == IP_VERSION_4) {
@@ -1364,6 +1361,10 @@
PxeBcDestroyIp6Children (This, Private);
}
+ if (FirstStart && Private != NULL) {
+ FreePool (Private);
+ }
+
return Status;
}
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