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OvmfPkg/EnrollDefaultKeys: suppress incorrect compiler warning

When building OvmfPkg/EnrollDefaultKeys for IA32 with gcc-4.8 for the
DEBUG target (and possibly under other build configurations too), the
compiler incorrectly reports,

> OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c: In function
> 'ShellAppMain':
> OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c:631:10: error:
> 'SizeOfPkKek1' may be used uninitialized in this function
> [-Werror=maybe-uninitialized]
>    Status = EnrollListOfCerts (
>           ^
> OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c:703:12: error: 'PkKek1'
> may be used uninitialized in this function [-Werror=maybe-uninitialized]
>    FreePool (PkKek1);
>             ^
> cc1: all warnings being treated as errors

Suppress this warning, in the style suggested under
<https://bugzilla.tianocore.org/show_bug.cgi?id=607>.

Reported-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Fixes: be9470b3c91fc50436c15a76c85cdde940355b9f
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Laszlo Ersek 5 vuotta sitten
vanhempi
commit
727d7ebaa9
1 muutettua tiedostoa jossa 7 lisäystä ja 0 poistoa
  1. 7 0
      OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c

+ 7 - 0
OvmfPkg/EnrollDefaultKeys/EnrollDefaultKeys.c

@@ -558,6 +558,13 @@ ShellAppMain (
     return RetVal;
   }
 
+  //
+  // Set PkKek1 and SizeOfPkKek1 to suppress incorrect compiler/analyzer
+  // warnings.
+  //
+  PkKek1 = NULL;
+  SizeOfPkKek1 = 0;
+
   //
   // Fetch the X509 certificate (to be used as Platform Key and first Key
   // Exchange Key) from SMBIOS.