Merge tag 'stratix10_rsu_fix_for_v7.0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into work-linus

gregkh · gregkh · commit dceddeecce3f · 2026-02-26T15:47:15.000-08:00
Dinh writes:

firmware: stratix10-rsu: fix NULL pointer dereference when RSU is disabled
- Fix a kernel panic that happens in the driver when the First Stage Boot Loader
  has not enabled the Remote System Update(RSU).

* tag 'stratix10_rsu_fix_for_v7.0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
  firmware: stratix10-rsu: Fix NULL pointer dereference when RSU is disabled
diff --git a/drivers/firmware/stratix10-rsu.c b/drivers/firmware/stratix10-rsu.c
@@ -768,7 +768,9 @@ static int stratix10_rsu_probe(struct platform_device *pdev)
 				 rsu_async_status_callback);
 	if (ret) {
 		dev_err(dev, "Error, getting RSU status %i\n", ret);
+		stratix10_svc_remove_async_client(priv->chan);
 		stratix10_svc_free_channel(priv->chan);
+		return ret;
 	}
 
 	/* get DCMF version from firmware */

Original file line number	Diff line number	Diff line change
`@@ -768,7 +768,9 @@ static int stratix10_rsu_probe(struct platform_device *pdev)`
`768`	`768`	`rsu_async_status_callback);`
`769`	`769`	`if (ret) {`
`770`	`770`	`dev_err(dev, "Error, getting RSU status %i\n", ret);`
	`771`	`+ stratix10_svc_remove_async_client(priv->chan);`
`771`	`772`	`stratix10_svc_free_channel(priv->chan);`
	`773`	`+ return ret;`
`772`	`774`	`}`
`773`	`775`
`774`	`776`	`/* get DCMF version from firmware */`