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    Subject[PATCH 03/15] md-cluster: Improve another size determination in join()
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    From: Markus Elfring <elfring@users.sourceforge.net>
    Date: Sat, 1 Oct 2016 11:42:47 +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 c28f596..7af27dd 100644
    --- a/drivers/md/md-cluster.c
    +++ b/drivers/md/md-cluster.c
    @@ -823,7 +823,7 @@ static int join(struct mddev *mddev, int nodes)
    int ret, ops_rv;
    char str[64];

    - cinfo = kzalloc(sizeof(struct md_cluster_info), GFP_KERNEL);
    + cinfo = kzalloc(sizeof(*cinfo), GFP_KERNEL);
    if (!cinfo)
    return -ENOMEM;

    --
    2.10.0
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