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From 8f2e452730d2bcd59fe05246f0e19a4c52e0012d Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 14 May 2021 16:20:38 +0200
Subject: [PATCH] media: au0828: fix a NULL vs IS_ERR() check
Git-commit: 8f2e452730d2bcd59fe05246f0e19a4c52e0012d
Patch-mainline: v5.14-rc1
References: git-fixes

The media_device_usb_allocate() function returns error pointers when
it's enabled and something goes wrong.  It can return NULL as well, but
only if CONFIG_MEDIA_CONTROLLER is disabled so that doesn't apply here.

Fixes: 812658d88d26 ("media: change au0828 to use Media Device Allocator API")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/media/usb/au0828/au0828-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c
index a8a72d5fbd12..caefac07af92 100644
--- a/drivers/media/usb/au0828/au0828-core.c
+++ b/drivers/media/usb/au0828/au0828-core.c
@@ -199,8 +199,8 @@ static int au0828_media_device_init(struct au0828_dev *dev,
 	struct media_device *mdev;
 
 	mdev = media_device_usb_allocate(udev, KBUILD_MODNAME, THIS_MODULE);
-	if (!mdev)
-		return -ENOMEM;
+	if (IS_ERR(mdev))
+		return PTR_ERR(mdev);
 
 	dev->media_dev = mdev;
 #endif
-- 
2.26.2