Re: [PATCH 3/7] crypto: testmgr: fix warning

From: Jiri Kosina
Date: Mon Oct 19 2009 - 09:52:56 EST


On Mon, 19 Oct 2009, Felipe Contreras wrote:

> crypto/testmgr.c: In function ?test_cprng?:
> crypto/testmgr.c:1204: warning: ?err? may be used uninitialized in this function
>
> Signed-off-by: Felipe Contreras <felipe.contreras@xxxxxxxxx>
> ---
> crypto/testmgr.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/crypto/testmgr.c b/crypto/testmgr.c
> index 6d5b746..1f2357b 100644
> --- a/crypto/testmgr.c
> +++ b/crypto/testmgr.c
> @@ -1201,7 +1201,7 @@ static int test_cprng(struct crypto_rng *tfm, struct cprng_testvec *template,
> unsigned int tcount)
> {
> const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
> - int err, i, j, seedsize;
> + int err = 0, i, j, seedsize;
> u8 *seed;
> char result[32];

As it is not obvious to me immediately why/whether tcount couldn't be zero
(which would cause uninitialized use of 'err'), I am not merging this
through trivial tree. Herbert?

--
Jiri Kosina
SUSE Labs, Novell Inc.
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