fix ecc

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7451 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.c b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.c
index 69eb926d01f7b291dedcd1a8e10f000cc72fb994..2d2bd2a154dd5671e689dc11e90318d27c453b1d 100644 (file)
--- a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.c
+++ b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbUtility.c
@@ -1028,7 +1028,7 @@ MatchUsbWwid (
   //\r
   // BugBug: only check serial number here, should check Interface Number, Device Vendor Id, Device Product Id  in later version\r
   //\r
-  if (StrDesc != NULL && !StrnCmp (StrDesc->String, SnString, StrDesc->Length)) {\r
+  if (StrDesc != NULL && (StrnCmp (StrDesc->String, SnString, StrDesc->Length) == 0)) {\r
 \r
     return TRUE;\r
   }\r