linux-kernel - [PATCH 5.16 0399/1039] drivers/firmware: Add missing platform_device_put() in sysfb_create

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Message-Id: <20220124184138.729231144@linuxfoundation.org>
Date:   Mon, 24 Jan 2022 19:36:28 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Miaoqian Lin <linmq006@...il.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.16 0399/1039] drivers/firmware: Add missing platform_device_put() in sysfb_create_simplefb

From: Miaoqian Lin <linmq006@...il.com>

[ Upstream commit 0589e8889dce8e0f0ea5bbf757f38865e2a469c1 ]

Add the missing platform_device_put() before return from
sysfb_create_simplefb() in the error handling case.

Fixes: 8633ef82f101 ("drivers/firmware: consolidate EFI framebuffer setup for all arches")
Signed-off-by: Miaoqian Lin <linmq006@...il.com>
Link: https://lore.kernel.org/r/20211231080431.15385-1-linmq006@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/firmware/sysfb_simplefb.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/sysfb_simplefb.c b/drivers/firmware/sysfb_simplefb.c
index b86761904949c..303a491e520d1 100644
--- a/drivers/firmware/sysfb_simplefb.c
+++ b/drivers/firmware/sysfb_simplefb.c
@@ -113,12 +113,16 @@ __init int sysfb_create_simplefb(const struct screen_info *si,
 	sysfb_apply_efi_quirks(pd);
 
 	ret = platform_device_add_resources(pd, &res, 1);
-	if (ret)
+	if (ret) {
+		platform_device_put(pd);
 		return ret;
+	}
 
 	ret = platform_device_add_data(pd, mode, sizeof(*mode));
-	if (ret)
+	if (ret) {
+		platform_device_put(pd);
 		return ret;
+	}
 
 	return platform_device_add(pd);
 }
-- 
2.34.1