[PATCH 4/8] efi/efi_test: Fix the uninitialized value datasize

[Matt Fleming]

From: Ivan Hu <ivan...@canonical.com>

Fix the minor issue found by CoverityScan
CID 1358931 (#1 of 1): Uninitialized scalar variable (UNINIT)9.
uninit_use: Using uninitialized value datasize.
199        prev_datasize = datasize;
200        status = efi.get_variable(name, vd, at, dz, data);

Signed-off-by: Ivan Hu <ivan...@canonical.com>
Cc: Ivan Khoronzhuk <ivan.khoronz...@linaro.org>
Cc: Ard Biesheuvel <ard.biesheu...@linaro.org>
Signed-off-by: Matt Fleming <m...@codeblueprint.co.uk>
---
 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 ae51268737cc..348efc9cf59f 100644
--- a/drivers/firmware/efi/test/efi_test.c
+++ b/drivers/firmware/efi/test/efi_test.c
@@ -155,7 +155,7 @@ static long efi_runtime_get_variable(unsigned long arg)
 {
        struct efi_getvariable __user *getvariable_user;
        struct efi_getvariable getvariable;
-       unsigned long datasize, prev_datasize, *dz;
+       unsigned long datasize = 0, prev_datasize, *dz;
        efi_guid_t vendor_guid, *vd = NULL;
        efi_status_t status;
        efi_char16_t *name = NULL;
-- 
2.10.0