diff options
| author | Stephen Hemminger <stephen@networkplumber.org> | 2017-03-05 02:27:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-17 07:10:48 +0100 |
| commit | 2c616a8b6bd3b51b560d994f3412da998fe7ee48 (patch) | |
| tree | 66ea1204179bb397cc80f90813434e411b58f467 /drivers/hv | |
| parent | vmbus: remove useless return's (diff) | |
| download | linux-2c616a8b6bd3b51b560d994f3412da998fe7ee48.tar.xz linux-2c616a8b6bd3b51b560d994f3412da998fe7ee48.zip | |
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>
Diffstat (limited to 'drivers/hv')
| -rw-r--r-- | drivers/hv/ring_buffer.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index d0ff5b41161a..52d0556a5a25 100644 --- 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; |