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    Subject[PATCH 07/10] hyperv: remove unnecessary return variable
    Date
    From: Stephen Hemminger <stephen@networkplumber.org>

    hv_ringbuffer_read cleanup.

    Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
    Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
    ---
    drivers/hv/ring_buffer.c | 6 ++----
    1 files changed, 2 insertions(+), 4 deletions(-)

    diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
    index 52d0556..8a24974 100644
    --- a/drivers/hv/ring_buffer.c
    +++ b/drivers/hv/ring_buffer.c
    @@ -341,13 +341,11 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,
    struct vmpacket_descriptor desc;
    u32 offset;
    u32 packetlen;
    - int ret = 0;
    struct hv_ring_buffer_info *inring_info = &channel->inbound;

    if (buflen <= 0)
    return -EINVAL;

    -
    *buffer_actual_len = 0;
    *requestid = 0;

    @@ -358,7 +356,7 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,
    * No error is set when there is even no header, drivers are
    * supposed to analyze buffer_actual_len.
    */
    - return ret;
    + return 0;
    }

    init_cached_read_index(channel);
    @@ -403,5 +401,5 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,

    hv_signal_on_read(channel);

    - return ret;
    + return 0;
    }
    --
    1.7.1
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