From: Bart Van Assche Date: Fri, 9 Aug 2019 03:02:04 +0000 (-0700) Subject: scsi: qla2xxx: Enable type checking for the SRB free and done callback functions X-Git-Tag: for-linus-2019-09-27~49^2~145 X-Git-Url: https://git.kernel.dk/?p=linux-2.6-block.git;a=commitdiff_plain;h=6c18a43e3c82b0b67531a1cdec7ba31540fe6424 scsi: qla2xxx: Enable type checking for the SRB free and done callback functions Since all pointers passed to the srb_t.done() and srb_t.free() functions have type srb_t, change the type of the first argument of these functions from void * into struct srb *. This allows the compiler to verify the argument types for these functions. This patch does not change any functionality. Cc: Himanshu Madhani Signed-off-by: Bart Van Assche Tested-by: Himanshu Madhani Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 240b07b0098a..28d587a89ba6 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -12,10 +12,8 @@ #include /* BSG support for ELS/CT pass through */ -void -qla2x00_bsg_job_done(void *ptr, int res) +void qla2x00_bsg_job_done(srb_t *sp, int res) { - srb_t *sp = ptr; struct bsg_job *bsg_job = sp->u.bsg_job; struct fc_bsg_reply *bsg_reply = bsg_job->reply; @@ -25,10 +23,8 @@ qla2x00_bsg_job_done(void *ptr, int res) sp->free(sp); } -void -qla2x00_bsg_sp_free(void *ptr) +void qla2x00_bsg_sp_free(srb_t *sp) { - srb_t *sp = ptr; struct qla_hw_data *ha = sp->vha->hw; struct bsg_job *bsg_job = sp->u.bsg_job; struct fc_bsg_request *bsg_request = bsg_job->request; diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 779bf3fcab0f..65d79bcb7ccf 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -614,8 +614,18 @@ typedef struct srb { struct bsg_job *bsg_job; struct srb_cmd scmd; } u; - void (*done)(void *, int); - void (*free)(void *); + /* + * Report completion status @res and call sp_put(@sp). @res is + * an NVMe status code, a SCSI result (e.g. DID_OK << 16) or a + * QLA_* status value. + */ + void (*done)(struct srb *sp, int res); + /* Stop the timer and free @sp. Only used by the FCP code. */ + void (*free)(struct srb *sp); + /* + * Call nvme_private->fd->done() and free @sp. Only used by the NVMe + * code. + */ void (*put_fn)(struct kref *kref); } srb_t; diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index aac664da419b..bbfbe3a34a7e 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -213,9 +213,9 @@ extern int qla2x00_post_uevent_work(struct scsi_qla_host *, u32); extern int qla2x00_post_uevent_work(struct scsi_qla_host *, u32); extern void qla2x00_disable_board_on_pci_error(struct work_struct *); -extern void qla2x00_sp_compl(void *, int); -extern void qla2xxx_qpair_sp_free_dma(void *); -extern void qla2xxx_qpair_sp_compl(void *, int); +extern void qla2x00_sp_compl(srb_t *sp, int); +extern void qla2xxx_qpair_sp_free_dma(srb_t *sp); +extern void qla2xxx_qpair_sp_compl(srb_t *sp, int); extern void qla24xx_sched_upd_fcport(fc_port_t *); void qla2x00_handle_login_done_event(struct scsi_qla_host *, fc_port_t *, uint16_t *); @@ -244,7 +244,7 @@ extern void qla2x00_do_dpc_all_vps(scsi_qla_host_t *); extern int qla24xx_vport_create_req_sanity_check(struct fc_vport *); extern scsi_qla_host_t *qla24xx_create_vhost(struct fc_vport *); -extern void qla2x00_sp_free_dma(void *); +extern void qla2x00_sp_free_dma(srb_t *sp); extern char *qla2x00_get_fw_version_str(struct scsi_qla_host *, char *); extern void qla2x00_mark_device_lost(scsi_qla_host_t *, fc_port_t *, int, int); @@ -790,10 +790,10 @@ extern int qla82xx_restart_isp(scsi_qla_host_t *); /* IOCB related functions */ extern int qla82xx_start_scsi(srb_t *); -extern void qla2x00_sp_free(void *); +extern void qla2x00_sp_free(srb_t *sp); extern void qla2x00_sp_timeout(struct timer_list *); -extern void qla2x00_bsg_job_done(void *, int); -extern void qla2x00_bsg_sp_free(void *); +extern void qla2x00_bsg_job_done(srb_t *sp, int); +extern void qla2x00_bsg_sp_free(srb_t *sp); extern void qla2x00_start_iocbs(struct scsi_qla_host *, struct req_que *); /* Interrupt related */ diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index 18117b5f32bc..35e1f36c9366 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -499,9 +499,8 @@ qla2x00_gnn_id(scsi_qla_host_t *vha, sw_info_t *list) return (rval); } -static void qla2x00_async_sns_sp_done(void *s, int rc) +static void qla2x00_async_sns_sp_done(srb_t *sp, int rc) { - struct srb *sp = s; struct scsi_qla_host *vha = sp->vha; struct ct_sns_pkt *ct_sns; struct qla_work_evt *e; @@ -2989,9 +2988,8 @@ void qla24xx_handle_gpsc_event(scsi_qla_host_t *vha, struct event_arg *ea) qla_post_iidma_work(vha, fcport); } -static void qla24xx_async_gpsc_sp_done(void *s, int res) +static void qla24xx_async_gpsc_sp_done(srb_t *sp, int res) { - struct srb *sp = s; struct scsi_qla_host *vha = sp->vha; struct qla_hw_data *ha = vha->hw; fc_port_t *fcport = sp->fcport; @@ -3258,9 +3256,8 @@ void qla24xx_handle_gpnid_event(scsi_qla_host_t *vha, struct event_arg *ea) } } -static void qla2x00_async_gpnid_sp_done(void *s, int res) +static void qla2x00_async_gpnid_sp_done(srb_t *sp, int res) { - struct srb *sp = s; struct scsi_qla_host *vha = sp->vha; struct ct_sns_req *ct_req = (struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req; @@ -3446,9 +3443,8 @@ void qla24xx_handle_gffid_event(scsi_qla_host_t *vha, struct event_arg *ea) qla24xx_post_gnl_work(vha, fcport); } -void qla24xx_async_gffid_sp_done(void *s, int res) +void qla24xx_async_gffid_sp_done(srb_t *sp, int res) { - struct srb *sp = s; struct scsi_qla_host *vha = sp->vha; fc_port_t *fcport = sp->fcport; struct ct_sns_rsp *ct_rsp; @@ -3872,9 +3868,8 @@ static void qla2x00_find_free_fcp_nvme_slot(struct scsi_qla_host *vha, } } -static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res) +static void qla2x00_async_gpnft_gnnft_sp_done(srb_t *sp, int res) { - struct srb *sp = s; struct scsi_qla_host *vha = sp->vha; struct ct_sns_req *ct_req = (struct ct_sns_req *)sp->u.iocb_cmd.u.ctarg.req; @@ -4251,9 +4246,8 @@ void qla24xx_handle_gnnid_event(scsi_qla_host_t *vha, struct event_arg *ea) qla24xx_post_gnl_work(vha, ea->fcport); } -static void qla2x00_async_gnnid_sp_done(void *s, int res) +static void qla2x00_async_gnnid_sp_done(srb_t *sp, int res) { - struct srb *sp = s; struct scsi_qla_host *vha = sp->vha; fc_port_t *fcport = sp->fcport; u8 *node_name = fcport->ct_desc.ct_sns->p.rsp.rsp.gnn_id.node_name; @@ -4384,9 +4378,8 @@ void qla24xx_handle_gfpnid_event(scsi_qla_host_t *vha, struct event_arg *ea) qla24xx_post_gpsc_work(vha, fcport); } -static void qla2x00_async_gfpnid_sp_done(void *s, int res) +static void qla2x00_async_gfpnid_sp_done(srb_t *sp, int res) { - struct srb *sp = s; struct scsi_qla_host *vha = sp->vha; fc_port_t *fcport = sp->fcport; u8 *fpn = fcport->ct_desc.ct_sns->p.rsp.rsp.gfpn_id.port_name; diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index a6a66b5d36a3..3fa8ca63429c 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -63,10 +63,8 @@ qla2x00_sp_timeout(struct timer_list *t) iocb->timeout(sp); } -void -qla2x00_sp_free(void *ptr) +void qla2x00_sp_free(srb_t *sp) { - srb_t *sp = ptr; struct srb_iocb *iocb = &sp->u.iocb_cmd; del_timer(&iocb->timer); @@ -117,9 +115,8 @@ static void qla24xx_abort_iocb_timeout(void *data) sp->done(sp, QLA_OS_TIMER_EXPIRED); } -static void qla24xx_abort_sp_done(void *ptr, int res) +static void qla24xx_abort_sp_done(srb_t *sp, int res) { - srb_t *sp = ptr; struct srb_iocb *abt = &sp->u.iocb_cmd; del_timer(&sp->u.iocb_cmd.timer); @@ -249,10 +246,8 @@ qla2x00_async_iocb_timeout(void *data) } } -static void -qla2x00_async_login_sp_done(void *ptr, int res) +static void qla2x00_async_login_sp_done(srb_t *sp, int res) { - srb_t *sp = ptr; struct scsi_qla_host *vha = sp->vha; struct srb_iocb *lio = &sp->u.iocb_cmd; struct event_arg ea; @@ -358,11 +353,8 @@ done: return rval; } -static void -qla2x00_async_logout_sp_done(void *ptr, int res) +static void qla2x00_async_logout_sp_done(srb_t *sp, int res) { - srb_t *sp = ptr; - sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); sp->fcport->login_gen++; qlt_logo_completion_handler(sp->fcport, res); @@ -419,10 +411,8 @@ qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport, qlt_logo_completion_handler(fcport, data[0]); } -static void -qla2x00_async_prlo_sp_done(void *s, int res) +static void qla2x00_async_prlo_sp_done(srb_t *sp, int res) { - srb_t *sp = (srb_t *)s; struct srb_iocb *lio = &sp->u.iocb_cmd; struct scsi_qla_host *vha = sp->vha; @@ -525,10 +515,8 @@ static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport) return qla2x00_post_work(vha, e); } -static void -qla2x00_async_adisc_sp_done(void *ptr, int res) +static void qla2x00_async_adisc_sp_done(srb_t *sp, int res) { - srb_t *sp = ptr; struct scsi_qla_host *vha = sp->vha; struct event_arg ea; struct srb_iocb *lio = &sp->u.iocb_cmd; @@ -931,10 +919,8 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha, } } /* gnl_event */ -static void -qla24xx_async_gnl_sp_done(void *s, int res) +static void qla24xx_async_gnl_sp_done(srb_t *sp, int res) { - struct srb *sp = s; struct scsi_qla_host *vha = sp->vha; unsigned long flags; struct fc_port *fcport = NULL, *tf; @@ -1121,10 +1107,8 @@ int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport) return qla2x00_post_work(vha, e); } -static -void qla24xx_async_gpdb_sp_done(void *s, int res) +static void qla24xx_async_gpdb_sp_done(srb_t *sp, int res) { - struct srb *sp = s; struct scsi_qla_host *vha = sp->vha; struct qla_hw_data *ha = vha->hw; fc_port_t *fcport = sp->fcport; @@ -1168,10 +1152,8 @@ static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport) return qla2x00_post_work(vha, e); } -static void -qla2x00_async_prli_sp_done(void *ptr, int res) +static void qla2x00_async_prli_sp_done(srb_t *sp, int res) { - srb_t *sp = ptr; struct scsi_qla_host *vha = sp->vha; struct srb_iocb *lio = &sp->u.iocb_cmd; struct event_arg ea; @@ -1808,10 +1790,8 @@ qla2x00_tmf_iocb_timeout(void *data) complete(&tmf->u.tmf.comp); } -static void -qla2x00_tmf_sp_done(void *ptr, int res) +static void qla2x00_tmf_sp_done(srb_t *sp, int res) { - srb_t *sp = ptr; struct srb_iocb *tmf = &sp->u.iocb_cmd; complete(&tmf->u.tmf.comp); diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 2da7c92e320b..59a0a778d31c 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2544,10 +2544,8 @@ void qla2x00_init_timer(srb_t *sp, unsigned long tmo) sp->start_timer = 1; } -static void -qla2x00_els_dcmd_sp_free(void *data) +static void qla2x00_els_dcmd_sp_free(srb_t *sp) { - srb_t *sp = data; struct srb_iocb *elsio = &sp->u.iocb_cmd; kfree(sp->fcport); @@ -2577,10 +2575,8 @@ qla2x00_els_dcmd_iocb_timeout(void *data) complete(&lio->u.els_logo.comp); } -static void -qla2x00_els_dcmd_sp_done(void *ptr, int res) +static void qla2x00_els_dcmd_sp_done(srb_t *sp, int res) { - srb_t *sp = ptr; fc_port_t *fcport = sp->fcport; struct srb_iocb *lio = &sp->u.iocb_cmd; struct scsi_qla_host *vha = sp->vha; @@ -2758,10 +2754,8 @@ qla2x00_els_dcmd2_iocb_timeout(void *data) sp->done(sp, QLA_FUNCTION_TIMEOUT); } -static void -qla2x00_els_dcmd2_sp_done(void *ptr, int res) +static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res) { - srb_t *sp = ptr; fc_port_t *fcport = sp->fcport; struct srb_iocb *lio = &sp->u.iocb_cmd; struct scsi_qla_host *vha = sp->vha; diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 783a84606047..a82b6db2fa9d 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -6217,10 +6217,8 @@ qla26xx_dport_diagnostics(scsi_qla_host_t *vha, return rval; } -static void qla2x00_async_mb_sp_done(void *s, int res) +static void qla2x00_async_mb_sp_done(srb_t *sp, int res) { - struct srb *sp = s; - sp->u.iocb_cmd.u.mbx.rc = res; complete(&sp->u.iocb_cmd.u.mbx.comp); diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index b2977e49356b..1a9a11ae7285 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -901,10 +901,8 @@ failed: return 0; } -static void qla_ctrlvp_sp_done(void *s, int res) +static void qla_ctrlvp_sp_done(srb_t *sp, int res) { - struct srb *sp = s; - if (sp->comp) complete(sp->comp); /* don't free sp here. Let the caller do the free */ diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c index 78b3679e1b9c..e8da3ec4db2c 100644 --- a/drivers/scsi/qla2xxx/qla_mr.c +++ b/drivers/scsi/qla2xxx/qla_mr.c @@ -1797,10 +1797,8 @@ qla2x00_fxdisc_iocb_timeout(void *data) complete(&lio->u.fxiocb.fxiocb_comp); } -static void -qla2x00_fxdisc_sp_done(void *ptr, int res) +static void qla2x00_fxdisc_sp_done(srb_t *sp, int res) { - srb_t *sp = ptr; struct srb_iocb *lio = &sp->u.iocb_cmd; complete(&lio->u.fxiocb.fxiocb_comp); diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index bba25c38a118..af6b46777602 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -180,10 +180,9 @@ static void qla_nvme_ls_complete(struct work_struct *work) kref_put(&priv->sp->cmd_kref, qla_nvme_release_ls_cmd_kref); } -static void qla_nvme_sp_ls_done(void *ptr, int res) +static void qla_nvme_sp_ls_done(srb_t *sp, int res) { - srb_t *sp = ptr; - struct nvme_private *priv; + struct nvme_private *priv = sp->priv; if (WARN_ON_ONCE(kref_read(&sp->cmd_kref) == 0)) return; @@ -191,17 +190,15 @@ static void qla_nvme_sp_ls_done(void *ptr, int res) if (res) res = -EINVAL; - priv = (struct nvme_private *)sp->priv; priv->comp_status = res; INIT_WORK(&priv->ls_work, qla_nvme_ls_complete); schedule_work(&priv->ls_work); } /* it assumed that QPair lock is held. */ -static void qla_nvme_sp_done(void *ptr, int res) +static void qla_nvme_sp_done(srb_t *sp, int res) { - srb_t *sp = ptr; - struct nvme_private *priv = (struct nvme_private *)sp->priv; + struct nvme_private *priv = sp->priv; priv->comp_status = res; kref_put(&sp->cmd_kref, qla_nvme_release_fcp_cmd_kref); diff --git a/drivers/scsi/qla2xxx/qla_nvme.h b/drivers/scsi/qla2xxx/qla_nvme.h index 68a8d09a36ef..25a2b82d5095 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.h +++ b/drivers/scsi/qla2xxx/qla_nvme.h @@ -144,5 +144,5 @@ int qla_nvme_register_remote(struct scsi_qla_host *, struct fc_port *); void qla_nvme_delete(struct scsi_qla_host *); void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *, struct pt_ls4_request *, struct req_que *); -void qla24xx_async_gffid_sp_done(void *, int); +void qla24xx_async_gffid_sp_done(struct srb *sp, int); #endif diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index a247dce0cb95..9ef59995f5d6 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -652,10 +652,8 @@ qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size) return str; } -void -qla2x00_sp_free_dma(void *ptr) +void qla2x00_sp_free_dma(srb_t *sp) { - srb_t *sp = ptr; struct qla_hw_data *ha = sp->vha->hw; struct scsi_cmnd *cmd = GET_CMD_SP(sp); void *ctx = GET_CMD_CTX_SP(sp); @@ -699,10 +697,8 @@ qla2x00_sp_free_dma(void *ptr) } } -void -qla2x00_sp_compl(void *ptr, int res) +void qla2x00_sp_compl(srb_t *sp, int res) { - srb_t *sp = ptr; struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct completion *comp = sp->comp; @@ -720,10 +716,8 @@ qla2x00_sp_compl(void *ptr, int res) qla2x00_rel_sp(sp); } -void -qla2xxx_qpair_sp_free_dma(void *ptr) +void qla2xxx_qpair_sp_free_dma(srb_t *sp) { - srb_t *sp = (srb_t *)ptr; struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct qla_hw_data *ha = sp->fcport->vha->hw; void *ctx = GET_CMD_CTX_SP(sp); @@ -804,10 +798,8 @@ qla2xxx_qpair_sp_free_dma(void *ptr) } } -void -qla2xxx_qpair_sp_compl(void *ptr, int res) +void qla2xxx_qpair_sp_compl(srb_t *sp, int res) { - srb_t *sp = ptr; struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct completion *comp = sp->comp; diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index f7b72d1d4862..d25c3fa43601 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -559,10 +559,8 @@ static int qla24xx_post_nack_work(struct scsi_qla_host *vha, fc_port_t *fcport, return qla2x00_post_work(vha, e); } -static -void qla2x00_async_nack_sp_done(void *s, int res) +static void qla2x00_async_nack_sp_done(srb_t *sp, int res) { - struct srb *sp = (struct srb *)s; struct scsi_qla_host *vha = sp->vha; unsigned long flags;