[PATCH 1/2] efi_runtime: fix the uninintialized value datasize

[Ivan Hu]

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.hu at canonical.com>
---
 efi_runtime/efi_runtime.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/efi_runtime/efi_runtime.c b/efi_runtime/efi_runtime.c
index 19f8103..34f452e 100644
--- a/efi_runtime/efi_runtime.c
+++ b/efi_runtime/efi_runtime.c
@@ -174,7 +174,7 @@ 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;
-- 
2.7.4