scsi: libfc: Replace ->seq_exch_abort callback with function call

The ->seq_exch_abort callback only ever had one implementation,
so we can as well call it directly and drop the callback.
Signed-off-by: NHannes Reinecke <hare@suse.com>
Acked-by: NJohannes Thumshirn <jth@kernel.org>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/libfc/fc_exch.c

@@ -629,6 +629,13 @@ static void fc_seq_set_resp(struct fc_seq *sp,
  * @ep:	The exchange to be aborted
  * @timer_msec: The period of time to wait before aborting
  *
+ * Abort an exchange and sequence. Generally called because of a
+ * exchange timeout or an abort from the upper layer.
+ *
+ * A timer_msec can be specified for abort timeout, if non-zero
+ * timer_msec value is specified then exchange resp handler
+ * will be called with timeout error if no response to abort.
+ *
  * Locking notes:  Called with exch lock held
  *
  * Return value: 0 on success else error code
@@ -692,8 +699,7 @@ static int fc_exch_abort_locked(struct fc_exch *ep,
  *
  * Return value: 0 on success else error code
  */
-static int fc_seq_exch_abort(const struct fc_seq *req_sp,
-			     unsigned int timer_msec)
+int fc_seq_exch_abort(const struct fc_seq *req_sp, unsigned int timer_msec)
 {
 	struct fc_exch *ep;
 	int error;
@@ -2654,9 +2660,6 @@ int fc_exch_init(struct fc_lport *lport)
 	if (!lport->tt.exch_mgr_reset)
 		lport->tt.exch_mgr_reset = fc_exch_mgr_reset;
 
-	if (!lport->tt.seq_exch_abort)
-		lport->tt.seq_exch_abort = fc_seq_exch_abort;
-
 	if (!lport->tt.seq_assign)
 		lport->tt.seq_assign = fc_seq_assign;
 

drivers/scsi/libfc/fc_fcp.c

@@ -287,9 +287,9 @@ static int fc_fcp_send_abort(struct fc_fcp_pkt *fsp)
 	put_cpu();
 
 	fsp->state |= FC_SRB_ABORT_PENDING;
-	rc = fsp->lp->tt.seq_exch_abort(fsp->seq_ptr, 0);
+	rc = fc_seq_exch_abort(fsp->seq_ptr, 0);
 	/*
-	 * ->seq_exch_abort() might return -ENXIO if
+	 * fc_seq_exch_abort() might return -ENXIO if
 	 * the sequence is already completed
 	 */
 	if (rc == -ENXIO) {

include/scsi/libfc.h

@@ -514,19 +514,6 @@ struct libfc_function_template {
 	 */
 	void (*get_lesb)(struct fc_lport *, struct fc_els_lesb *lesb);
 
-	/*
-	 * Abort an exchange and sequence. Generally called because of a
-	 * exchange timeout or an abort from the upper layer.
-	 *
-	 * A timer_msec can be specified for abort timeout, if non-zero
-	 * timer_msec value is specified then exchange resp handler
-	 * will be called with timeout error if no response to abort.
-	 *
-	 * STATUS: OPTIONAL
-	 */
-	int (*seq_exch_abort)(const struct fc_seq *,
-			      unsigned int timer_msec);
-
 	/*
 	 * Indicate that an exchange/sequence tuple is complete and the memory
 	 * allocated for the related objects may be freed.
@@ -1052,6 +1039,7 @@ void fc_exch_mgr_free(struct fc_lport *);
 void fc_exch_recv(struct fc_lport *, struct fc_frame *);
 void fc_exch_mgr_reset(struct fc_lport *, u32 s_id, u32 d_id);
 int fc_seq_send(struct fc_lport *lport, struct fc_seq *sp, struct fc_frame *fp);
+int fc_seq_exch_abort(const struct fc_seq *, unsigned int timer_msec);
 
 /*
  * Functions for fc_functions_template