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    Subject[PATCH 3.10 100/129] ceph: Free mdsc if alloc mdsc->mdsmap failed.
    Date
    3.10-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: majianpeng <majianpeng@gmail.com>

    commit fb3101b6f0db9ae3f35dc8e6ec908d0af8cdf12e upstream.

    Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
    Reviewed-by: Sage Weil <sage@inktank.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    fs/ceph/mds_client.c | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    --- a/fs/ceph/mds_client.c
    +++ b/fs/ceph/mds_client.c
    @@ -3044,8 +3044,10 @@ int ceph_mdsc_init(struct ceph_fs_client
    fsc->mdsc = mdsc;
    mutex_init(&mdsc->mutex);
    mdsc->mdsmap = kzalloc(sizeof(*mdsc->mdsmap), GFP_NOFS);
    - if (mdsc->mdsmap == NULL)
    + if (mdsc->mdsmap == NULL) {
    + kfree(mdsc);
    return -ENOMEM;
    + }

    init_completion(&mdsc->safe_umount_waiters);
    init_waitqueue_head(&mdsc->session_close_wq);



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