From: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>
The "next" variable is redundant in hv_get_next_write_location().
This patch is to remove it and return write_index directly.
Signed-off-by: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>
---
drivers/hv/ring_buffer.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 12eb8ca..71558e7 100644
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -82,9 +82,7 @@ static void hv_signal_on_write(u32 old_write, struct vmbus_channel *channel)
static inline u32
hv_get_next_write_location(struct hv_ring_buffer_info *ring_info)
{
- u32 next = ring_info->ring_buffer->write_index;
-
- return next;
+ return ring_info->ring_buffer->write_index;
}
/* Set the next write location for the specified ring buffer. */
--
2.7.4
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