From: Corey Minyard <cminyard@mvista.com>
Date: Wed, 24 Apr 2019 15:11:16 +0000 (-0500)
Subject: ipmi:ssif: Only unregister the platform driver if it was registered
X-Git-Tag: v5.15~6426^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=44f56a39addecd6e93b8aa6fa51a6255259edbbb;p=platform%2Fkernel%2Flinux-starfive.git

ipmi:ssif: Only unregister the platform driver if it was registered

Otherwise you will get an error when the driver is removed if you
set trydmi=0.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
---

diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index aaccb0f..be329f7 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -2111,7 +2111,8 @@ static void cleanup_ipmi_ssif(void)
 
 	kfree(ssif_i2c_driver.address_list);
 
-	platform_driver_unregister(&ipmi_driver);
+	if (ssif_trydmi)
+		platform_driver_unregister(&ipmi_driver);
 
 	free_ssif_clients();
 }