linux-kernel - [PATCH 2/7] media: coda: no need to check return value of debugfs

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Date:   Tue, 18 Aug 2020 15:36:03 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-media@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/7] media: coda: no need to check return value of debugfs_create functions

When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Philipp Zabel <p.zabel@...gutronix.de>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-media@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/media/platform/coda/coda-common.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index 3ab3d976d8ca..9020be29d8f2 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -1937,9 +1937,6 @@ int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
 		buf->blob.size = size;
 		buf->dentry = debugfs_create_blob(name, 0644, parent,
 						  &buf->blob);
-		if (!buf->dentry)
-			dev_warn(dev->dev,
-				 "failed to create debugfs entry %s\n", name);
 	}
 
 	return 0;
@@ -3211,8 +3208,6 @@ static int coda_probe(struct platform_device *pdev)
 	ida_init(&dev->ida);
 
 	dev->debugfs_root = debugfs_create_dir("coda", NULL);
-	if (!dev->debugfs_root)
-		dev_warn(&pdev->dev, "failed to create debugfs root\n");
 
 	/* allocate auxiliary per-device buffers for the BIT processor */
 	if (dev->devtype->product == CODA_DX6) {
-- 
2.28.0