vmbus: remove unnecessary initialization

Don't initialize variables that are then set a few lines later.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index d0ff5b4..52d0556 100644 (file)
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -265,14 +265,13 @@ void hv_ringbuffer_cleanup(struct hv_ring_buffer_info *ring_info)
 int hv_ringbuffer_write(struct vmbus_channel *channel,
                        const struct kvec *kv_list, u32 kv_count)
 {
-       int i = 0;
+       int i;
        u32 bytes_avail_towrite;
-       u32 totalbytes_towrite = 0;
-
+       u32 totalbytes_towrite = sizeof(u64);
        u32 next_write_location;
        u32 old_write;
-       u64 prev_indices = 0;
-       unsigned long flags = 0;
+       u64 prev_indices;
+       unsigned long flags;
        struct hv_ring_buffer_info *outring_info = &channel->outbound;
 
        if (channel->rescind)
@@ -281,8 +280,6 @@ int hv_ringbuffer_write(struct vmbus_channel *channel,
        for (i = 0; i < kv_count; i++)
                totalbytes_towrite += kv_list[i].iov_len;
 
-       totalbytes_towrite += sizeof(u64);
-
        spin_lock_irqsave(&outring_info->ring_lock, flags);
 
        bytes_avail_towrite = hv_get_bytes_to_write(outring_info);
@@ -339,7 +336,7 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,
                       u64 *requestid, bool raw)
 {
        u32 bytes_avail_toread;
-       u32 next_read_location = 0;
+       u32 next_read_location;
        u64 prev_indices = 0;
        struct vmpacket_descriptor desc;
        u32 offset;