pds_core: make pdsc_auxbus_dev_del() void

[ Upstream commit e8562da ]

Since there really is no useful return, advertising a return value
is rather misleading.  Make pdsc_auxbus_dev_del() a void function.

Link: https://patch.msgid.link/r/[email protected]
Reviewed-by: Leon Romanovsky <[email protected]>
Reviewed-by: Jonathan Cameron <[email protected]>
Reviewed-by: Kalesh AP <[email protected]>
Reviewed-by: Dave Jiang <[email protected]>
Signed-off-by: Shannon Nelson <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Stable-dep-of: dfd7601 ("pds_core: remove write-after-free of client_id")
Signed-off-by: Sasha Levin <[email protected]>

Author: emusln

drivers/net/ethernet/amd/pds_core/auxbus.c

@@ -172,13 +172,9 @@ static struct pds_auxiliary_dev *pdsc_auxbus_dev_register(struct pdsc *cf,
 	return padev;
 }
 
-int pdsc_auxbus_dev_del(struct pdsc *cf, struct pdsc *pf)
+void pdsc_auxbus_dev_del(struct pdsc *cf, struct pdsc *pf)
 {
 	struct pds_auxiliary_dev *padev;
-	int err = 0;
-
-	if (!cf)
-		return -ENODEV;
 
 	mutex_lock(&pf->config_lock);
 
@@ -192,7 +188,6 @@ int pdsc_auxbus_dev_del(struct pdsc *cf, struct pdsc *pf)
 	pf->vfs[cf->vf_id].padev = NULL;
 
 	mutex_unlock(&pf->config_lock);
-	return err;
 }
 
 int pdsc_auxbus_dev_add(struct pdsc *cf, struct pdsc *pf)

drivers/net/ethernet/amd/pds_core/core.h

@@ -304,7 +304,7 @@ int pdsc_register_notify(struct notifier_block *nb);
 void pdsc_unregister_notify(struct notifier_block *nb);
 void pdsc_notify(unsigned long event, void *data);
 int pdsc_auxbus_dev_add(struct pdsc *cf, struct pdsc *pf);
-int pdsc_auxbus_dev_del(struct pdsc *cf, struct pdsc *pf);
+void pdsc_auxbus_dev_del(struct pdsc *cf, struct pdsc *pf);
 
 void pdsc_process_adminq(struct pdsc_qcq *qcq);
 void pdsc_work_thread(struct work_struct *work);

drivers/net/ethernet/amd/pds_core/devlink.c

@@ -56,8 +56,10 @@ int pdsc_dl_enable_set(struct devlink *dl, u32 id,
 	for (vf_id = 0; vf_id < pdsc->num_vfs; vf_id++) {
 		struct pdsc *vf = pdsc->vfs[vf_id].vf;
 
-		err = ctx->val.vbool ? pdsc_auxbus_dev_add(vf, pdsc) :
-				       pdsc_auxbus_dev_del(vf, pdsc);
+		if (ctx->val.vbool)
+			err = pdsc_auxbus_dev_add(vf, pdsc);
+		else
+			pdsc_auxbus_dev_del(vf, pdsc);
 	}
 
 	return err;