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Commit c488b770 authored by Xin Long's avatar Xin Long Committed by David S. Miller
Browse files

sctp: remove the typedef sctp_arg_t 



This patch is to remove the typedef sctp_arg_t, and
replace with union sctp_arg in the places where it's
using this typedef.

Signed-off-by: default avatarXin Long <lucien.xin@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a85bbeb2

include/net/sctp/command.h

+13 −13
Original line number Diff line number Diff line
@@ -117,7 +117,7 @@ typedef enum { 
 */

#define SCTP_MAX_NUM_COMMANDS 20



typedef union {

union sctp_arg {

	void *zero_all;	/* Set to NULL to clear the entire union */

	__s32 i32;

	__u32 u32;
@@ -137,24 +137,24 @@ typedef union { 
	struct sctp_packet *packet;

	struct sctp_sackhdr *sackh;

	struct sctp_datamsg *msg;

} sctp_arg_t;

};



/* We are simulating ML type constructors here.

 *

 * SCTP_ARG_CONSTRUCTOR(NAME, TYPE, ELT) builds a function called

 * SCTP_NAME() which takes an argument of type TYPE and returns an

 * sctp_arg_t.  It does this by inserting the sole argument into the

 * ELT union element of a local sctp_arg_t.

 * union sctp_arg.  It does this by inserting the sole argument into

 * the ELT union element of a local union sctp_arg.

 *

 * E.g., SCTP_ARG_CONSTRUCTOR(I32, __s32, i32) builds SCTP_I32(arg),

 * which takes an __s32 and returns a sctp_arg_t containing the

 * which takes an __s32 and returns a union sctp_arg containing the

 * __s32.  So, after foo = SCTP_I32(arg), foo.i32 == arg.

 */



#define SCTP_ARG_CONSTRUCTOR(name, type, elt) \

static inline sctp_arg_t	\

static inline union sctp_arg	\

SCTP_## name (type arg)		\

{ sctp_arg_t retval;\

{ union sctp_arg retval;\

  retval.zero_all = NULL;\

  retval.elt = arg;\

  return retval;\
@@ -179,25 +179,25 @@ SCTP_ARG_CONSTRUCTOR(PACKET, struct sctp_packet *, packet) 
SCTP_ARG_CONSTRUCTOR(SACKH,	struct sctp_sackhdr *, sackh)

SCTP_ARG_CONSTRUCTOR(DATAMSG,	struct sctp_datamsg *, msg)



static inline sctp_arg_t SCTP_FORCE(void)

static inline union sctp_arg SCTP_FORCE(void)

{

	return SCTP_I32(1);

}



static inline sctp_arg_t SCTP_NOFORCE(void)

static inline union sctp_arg SCTP_NOFORCE(void)

{

	return SCTP_I32(0);

}



static inline sctp_arg_t SCTP_NULL(void)

static inline union sctp_arg SCTP_NULL(void)

{

	sctp_arg_t retval;

	union sctp_arg retval;

	retval.zero_all = NULL;

	return retval;

}



struct sctp_cmd {

	sctp_arg_t obj;

	union sctp_arg obj;

	sctp_verb_t verb;

};
@@ -226,7 +226,7 @@ static inline int sctp_init_cmd_seq(struct sctp_cmd_seq *seq) 
 * to wrap data which goes in the obj argument.

 */

static inline void sctp_add_cmd_sf(struct sctp_cmd_seq *seq, sctp_verb_t verb,

				   sctp_arg_t obj)

				   union sctp_arg obj)

{

	struct sctp_cmd *cmd = seq->last_used_slot - 1;

net/sctp/sm_statefuns.c

+1 −1
Original line number Diff line number Diff line
@@ -2975,8 +2975,8 @@ sctp_disposition_t sctp_sf_eat_data_6_2(struct net *net, 
					void *arg,

					struct sctp_cmd_seq *commands)

{

	union sctp_arg force = SCTP_NOFORCE();

	struct sctp_chunk *chunk = arg;

	sctp_arg_t force = SCTP_NOFORCE();

	int error;



	if (!sctp_vtag_verify(chunk, asoc)) {