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    Subject[PATCH 3/5] Staging: hv: storvsc: Fix a bug in storvsc_command_completion()
    Date
    Fix a bug in storvsc_command_completion() that leaks memory when scatter/gather
    lists are used on the "write" side.

    Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
    Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
    ---
    drivers/staging/hv/storvsc_drv.c | 5 ++---
    1 files changed, 2 insertions(+), 3 deletions(-)

    diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
    index 14ecb69..8dafe52 100644
    --- a/drivers/staging/hv/storvsc_drv.c
    +++ b/drivers/staging/hv/storvsc_drv.c
    @@ -1123,13 +1123,12 @@ static void storvsc_command_completion(struct hv_storvsc_request *request)

    vm_srb = &request->vstor_packet.vm_srb;
    if (cmd_request->bounce_sgl_count) {
    - if (vm_srb->data_in == READ_TYPE) {
    + if (vm_srb->data_in == READ_TYPE)
    copy_from_bounce_buffer(scsi_sglist(scmnd),
    cmd_request->bounce_sgl,
    scsi_sg_count(scmnd));
    - destroy_bounce_buffer(cmd_request->bounce_sgl,
    + destroy_bounce_buffer(cmd_request->bounce_sgl,
    cmd_request->bounce_sgl_count);
    - }
    }

    /*
    --
    1.7.4.1


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