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vmbus: constify parameters where possible

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Functions that just query state of ring buffer can have parameters
marked const.

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 2017-02-11 23:02:24 -07:00 • committed by Greg Kroah-Hartman
parent 6e47dd3e29
commit e4165a0fad
3 changed files with 19 additions and 21 deletions
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12
include/linux/hyperv.h
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@ -138,8 +138,8 @@ struct hv_ring_buffer_info {
* for the specified ring buffer
*/
static inline void
hv_get_ringbuffer_availbytes(struct hv_ring_buffer_info *rbi,
u32 *read, u32 *write)
hv_get_ringbuffer_availbytes(const struct hv_ring_buffer_info *rbi,
u32 *read, u32 *write)
{
u32 read_loc, write_loc, dsize;
@ -153,7 +153,7 @@ hv_get_ringbuffer_availbytes(struct hv_ring_buffer_info *rbi,
*read = dsize - *write;
}
static inline u32 hv_get_bytes_to_read(struct hv_ring_buffer_info *rbi)
static inline u32 hv_get_bytes_to_read(const struct hv_ring_buffer_info *rbi)
{
u32 read_loc, write_loc, dsize, read;
@ -167,7 +167,7 @@ static inline u32 hv_get_bytes_to_read(struct hv_ring_buffer_info *rbi)
return read;
}
static inline u32 hv_get_bytes_to_write(struct hv_ring_buffer_info *rbi)
static inline u32 hv_get_bytes_to_write(const struct hv_ring_buffer_info *rbi)
{
u32 read_loc, write_loc, dsize, write;
@ -1448,9 +1448,9 @@ void vmbus_set_event(struct vmbus_channel *channel);
/* Get the start of the ring buffer. */
static inline void *
hv_get_ring_buffer(struct hv_ring_buffer_info *ring_info)
hv_get_ring_buffer(const struct hv_ring_buffer_info *ring_info)
{
return (void *)ring_info->ring_buffer->buffer;
return ring_info->ring_buffer->buffer;
}
/*