return -1;
}
+static void epf_ntb_mw_bar_clear(struct epf_ntb *ntb, int num_mws);
+
/**
* epf_ntb_db_bar_clear() - Clear doorbell BAR and free memory
* allocated in peer's outbound address space
&ntb->vpci_mw_phy[i],
size);
if (!ntb->vpci_mw_addr[i]) {
+ ret = -ENOMEM;
dev_err(dev, "Failed to allocate source address\n");
- goto err_alloc_mem;
+ goto err_set_bar;
}
}
return ret;
+
+err_set_bar:
+ pci_epc_clear_bar(ntb->epf->epc,
+ ntb->epf->func_no,
+ ntb->epf->vfunc_no,
+ &ntb->epf->bar[barno]);
err_alloc_mem:
+ epf_ntb_mw_bar_clear(ntb, i);
return ret;
}
* epf_ntb_mw_bar_clear() - Clear Memory window BARs
* @ntb: NTB device that facilitates communication between HOST and vHOST
*/
-static void epf_ntb_mw_bar_clear(struct epf_ntb *ntb)
+static void epf_ntb_mw_bar_clear(struct epf_ntb *ntb, int num_mws)
{
enum pci_barno barno;
int i;
- for (i = 0; i < ntb->num_mws; i++) {
+ for (i = 0; i < num_mws; i++) {
barno = ntb->epf_ntb_bar[BAR_MW0 + i];
pci_epc_clear_bar(ntb->epf->epc,
ntb->epf->func_no,
return 0;
err_write_header:
- epf_ntb_mw_bar_clear(ntb);
+ epf_ntb_mw_bar_clear(ntb, ntb->num_mws);
err_mw_bar_init:
epf_ntb_db_bar_clear(ntb);
err_db_bar_init:
static void epf_ntb_epc_cleanup(struct epf_ntb *ntb)
{
epf_ntb_db_bar_clear(ntb);
- epf_ntb_mw_bar_clear(ntb);
+ epf_ntb_mw_bar_clear(ntb, ntb->num_mws);
}
#define EPF_NTB_R(_name) \