SUNRPC: Fix some kernel doc complaints

Clean up some warnings observed when building with "make W=1".
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

net/sunrpc/auth_gss/gss_mech_switch.c

@@ -244,7 +244,7 @@ gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
 
 /**
  * gss_mech_list_pseudoflavors - Discover registered GSS pseudoflavors
- * @array: array to fill in
+ * @array_ptr: array to fill in
  * @size: size of "array"
  *
  * Returns the number of array items filled in, or a negative errno.

net/sunrpc/backchannel_rqst.c

@@ -197,7 +197,7 @@ int xprt_setup_bc(struct rpc_xprt *xprt, unsigned int min_reqs)
 /**
  * xprt_destroy_backchannel - Destroys the backchannel preallocated structures.
  * @xprt:	the transport holding the preallocated strucures
- * @max_reqs	the maximum number of preallocated structures to destroy
+ * @max_reqs:	the maximum number of preallocated structures to destroy
  *
  * Since these structures may have been allocated by multiple calls
  * to xprt_setup_backchannel, we only destroy up to the maximum number

net/sunrpc/xprtmultipath.c

@@ -383,7 +383,7 @@ void xprt_iter_init_listall(struct rpc_xprt_iter *xpi,
 /**
  * xprt_iter_xchg_switch - Atomically swap out the rpc_xprt_switch
  * @xpi: pointer to rpc_xprt_iter
- * @xps: pointer to a new rpc_xprt_switch or NULL
+ * @newswitch: pointer to a new rpc_xprt_switch or NULL
  *
  * Swaps out the existing xpi->xpi_xpswitch with a new value.
  */
@@ -401,7 +401,7 @@ struct rpc_xprt_switch *xprt_iter_xchg_switch(struct rpc_xprt_iter *xpi,
 
 /**
  * xprt_iter_destroy - Destroys the xprt iterator
- * @xpi pointer to rpc_xprt_iter
+ * @xpi: pointer to rpc_xprt_iter
  */
 void xprt_iter_destroy(struct rpc_xprt_iter *xpi)
 {

net/sunrpc/xprtsock.c

@@ -1596,6 +1596,7 @@ static void xs_udp_set_buffer_size(struct rpc_xprt *xprt, size_t sndsize, size_t
 
 /**
  * xs_udp_timer - called when a retransmit timeout occurs on a UDP transport
+ * @xprt: controlling transport
  * @task: task that timed out
  *
  * Adjust the congestion window after a retransmit timeout has occurred.
@@ -2253,6 +2254,7 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
 
 /**
  * xs_tcp_setup_socket - create a TCP socket and connect to a remote endpoint
+ * @work: queued work item
  *
  * Invoked by a work queue tasklet.
  */