[tip:efi/core] efi/efi_test: Fix uninitialized variable 'rv'

[tip-bot for Ivan Hu]

Commit-ID:  9c30a2199311df9a1f25d0586c96dfbb7e876cdf
Gitweb:     http://git.kernel.org/tip/9c30a2199311df9a1f25d0586c96dfbb7e876cdf
Author:     Ivan Hu <ivan.hu@xxxxxxxxxxxxx>
AuthorDate: Tue, 18 Oct 2016 15:33:15 +0100
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 18 Oct 2016 17:11:18 +0200

efi/efi_test: Fix uninitialized variable 'rv'

Fix minor issue found by CoverityScan:

  520        kfree(name);
  CID 1358932 (#1 of 1): Uninitialized scalar variable (UNINIT)17.
  uninit_use: Using uninitialized value rv.
  521        return rv;
  522}

Signed-off-by: Ivan Hu <ivan.hu@xxxxxxxxxxxxx>
Signed-off-by: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
Cc: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Cc: Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: linux-efi@xxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/20161018143318.15673-6-matt@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 drivers/firmware/efi/test/efi_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/efi/test/efi_test.c b/drivers/firmware/efi/test/efi_test.c
index 348efc9..bb26e12 100644
--- a/drivers/firmware/efi/test/efi_test.c
+++ b/drivers/firmware/efi/test/efi_test.c
@@ -428,7 +428,7 @@ static long efi_runtime_get_nextvariablename(unsigned long arg)
 	efi_guid_t *vd = NULL;
 	efi_guid_t vendor_guid;
 	efi_char16_t *name = NULL;
-	int rv;
+	int rv = 0;
 
 	getnextvariablename_user = (struct efi_getnextvariablename __user *)arg;