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    Subject[PATCH 06/10] md/dm-crypt: Delete an unnecessary variable initialisation in crypt_set_key()
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    From: Markus Elfring <elfring@users.sourceforge.net>
    Date: Wed, 28 Sep 2016 15:24:13 +0200

    The local variable "r" will be set to an appropriate value a bit later.
    Thus omit the explicit initialisation at the beginning.

    Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
    ---
    drivers/md/dm-crypt.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
    index 7e0fd82..3bc54c1 100644
    --- a/drivers/md/dm-crypt.c
    +++ b/drivers/md/dm-crypt.c
    @@ -1491,7 +1491,7 @@ static int crypt_setkey_allcpus(struct crypt_config *cc)

    static int crypt_set_key(struct crypt_config *cc, char *key)
    {
    - int r = -EINVAL;
    + int r;
    int key_string_len = strlen(key);

    /* The key size may not be changed. */
    --
    2.10.0
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