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authorStephen Hemminger <stephen@networkplumber.org>2017-02-11 23:02:24 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-02-14 10:20:35 -0800
commite4165a0fad0963bf8b4a59f54d3360ccb6a6d1ea (patch)
treefb91d8f72f6c01e2779e2b0892202bade31907fa /include/linux/hyperv.h
parent6e47dd3e2938f41d75045bbcb64aa9df3a463b2a (diff)
vmbus: constify parameters where possible
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>
Diffstat (limited to 'include/linux/hyperv.h')
-rw-r--r--include/linux/hyperv.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 08eb71a22c14..62bbf3c1aa4a 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -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;
}
/*