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authorStephen Hemminger <stephen@networkplumber.org>2017-03-04 18:27:13 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-17 15:10:48 +0900
commit2c616a8b6bd3b51b560d994f3412da998fe7ee48 (patch)
tree66ea1204179bb397cc80f90813434e411b58f467 /drivers/hv
parent8b1f91fb4c1a8a860b8edc0c383821b2ff8a1ece (diff)
downloadlinux-2c616a8b6bd3b51b560d994f3412da998fe7ee48.tar.bz2
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.c13
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;