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efi/efi_test: Fix uninitialized variable 'datasize'

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Fix 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@canonical.com>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20161018143318.15673-5-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ivan Hu 2016-10-18 15:33:14 +01:00 committed by Ingo Molnar
parent 0709a008c9
commit 46b9b71353
1 changed files with 1 additions and 1 deletions
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2
drivers/firmware/efi/test/efi_test.c
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@ -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;