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vmbus: remove unnecessary initialization

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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>
This commit is contained in:
Stephen Hemminger 2017-03-04 18:27:13 -07:00 committed by Greg Kroah-Hartman
parent 8b1f91fb4c
commit 2c616a8b6b
1 changed files with 5 additions and 8 deletions
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13
drivers/hv/ring_buffer.c
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@ -265,14 +265,13 @@ void hv_ringbuffer_cleanup(struct hv_ring_buffer_info *ring_info)
int hv_ringbuffer_write(struct vmbus_channel *channel, int hv_ringbuffer_write(struct vmbus_channel *channel,
const struct kvec *kv_list, u32 kv_count) const struct kvec *kv_list, u32 kv_count)
{ {
int i = 0; int i;
u32 bytes_avail_towrite; u32 bytes_avail_towrite;
u32 totalbytes_towrite = 0; u32 totalbytes_towrite = sizeof(u64);
u32 next_write_location; u32 next_write_location;
u32 old_write; u32 old_write;
u64 prev_indices = 0; u64 prev_indices;
unsigned long flags = 0; unsigned long flags;
struct hv_ring_buffer_info *outring_info = &channel->outbound; struct hv_ring_buffer_info *outring_info = &channel->outbound;
if (channel->rescind) if (channel->rescind)
@ -281,8 +280,6 @@ int hv_ringbuffer_write(struct vmbus_channel *channel,
for (i = 0; i < kv_count; i++) for (i = 0; i < kv_count; i++)
totalbytes_towrite += kv_list[i].iov_len; totalbytes_towrite += kv_list[i].iov_len;
totalbytes_towrite += sizeof(u64);
spin_lock_irqsave(&outring_info->ring_lock, flags); spin_lock_irqsave(&outring_info->ring_lock, flags);
bytes_avail_towrite = hv_get_bytes_to_write(outring_info); 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) u64 *requestid, bool raw)
{ {
u32 bytes_avail_toread; u32 bytes_avail_toread;
u32 next_read_location = 0; u32 next_read_location;
u64 prev_indices = 0; u64 prev_indices = 0;
struct vmpacket_descriptor desc; struct vmpacket_descriptor desc;
u32 offset; u32 offset;