[PATCH 3/4] selftests, x86, protection_keys: fix uninitialized variable warning

[Dave Hansen]

From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>

'orig_pkru' might have been uninitialized here.  Fix it.

Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
---

 b/tools/testing/selftests/x86/protection_keys.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN tools/testing/selftests/x86/protection_keys.c~pkeys-selftests-cleanrup-4-10-ish tools/testing/selftests/x86/protection_keys.c
--- a/tools/testing/selftests/x86/protection_keys.c~pkeys-selftests-cleanrup-4-10-ish	2017-02-02 15:27:13.758149477 -0800
+++ b/tools/testing/selftests/x86/protection_keys.c	2017-02-02 15:27:13.762149656 -0800
@@ -462,7 +462,7 @@ void pkey_disable_set(int pkey, int flag
 	unsigned long syscall_flags = 0;
 	int ret;
 	int pkey_rights;
-	u32 orig_pkru;
+	u32 orig_pkru = rdpkru();
 
 	dprintf1("START->%s(%d, 0x%x)\n", __func__,
 		pkey, flags);
_