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    Subject[PATCH 09/15] md-cluster: Improve another size determination in lockres_init()
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    From: Markus Elfring <elfring@users.sourceforge.net>
    Date: Sat, 1 Oct 2016 13:02:18 +0200

    Replace the specification of a data structure by a pointer dereference
    as the parameter for the operator "sizeof" to make the corresponding size
    determination a bit safer according to the Linux coding style convention.

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

    diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
    index 0918108..bec8035 100644
    --- a/drivers/md/md-cluster.c
    +++ b/drivers/md/md-cluster.c
    @@ -190,7 +190,7 @@ static struct dlm_lock_resource *lockres_init(struct mddev *mddev,
    int ret, namelen;
    struct md_cluster_info *cinfo = mddev->cluster_info;

    - res = kzalloc(sizeof(struct dlm_lock_resource), GFP_KERNEL);
    + res = kzalloc(sizeof(*res), GFP_KERNEL);
    if (!res)
    return NULL;
    init_waitqueue_head(&res->sync_locking);
    --
    2.10.0
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