diff mbox series

[6/7] media: radio: si476x: no need to check return value of debugfs_create functions

Message ID 20200818133608.462514-6-gregkh@linuxfoundation.org (mailing list archive)
State New, archived
Headers show
Series [1/7] media: cec: no need to check return value of debugfs_create functions | expand

Commit Message

Greg KH Aug. 18, 2020, 1:36 p.m. UTC 
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: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alexios Zavras <alexios.zavras@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: linux-media@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/media/radio/radio-si476x.c | 66 ++++++------------------------
 1 file changed, 13 insertions(+), 53 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/radio/radio-si476x.c b/drivers/media/radio/radio-si476x.c
index b203296de977..485b2d2d977d 100644
--- a/drivers/media/radio/radio-si476x.c
+++ b/drivers/media/radio/radio-si476x.c
@@ -1344,60 +1344,24 @@  static const struct file_operations radio_rsq_primary_fops = {
 };
 
 
-static int si476x_radio_init_debugfs(struct si476x_radio *radio)
+static void si476x_radio_init_debugfs(struct si476x_radio *radio)
 {
-	struct dentry	*dentry;
-	int		ret;
+	radio->debugfs = debugfs_create_dir(dev_name(radio->v4l2dev.dev), NULL);
 
-	dentry = debugfs_create_dir(dev_name(radio->v4l2dev.dev), NULL);
-	if (IS_ERR(dentry)) {
-		ret = PTR_ERR(dentry);
-		goto exit;
-	}
-	radio->debugfs = dentry;
-
-	dentry = debugfs_create_file("acf", S_IRUGO,
-				     radio->debugfs, radio, &radio_acf_fops);
-	if (IS_ERR(dentry)) {
-		ret = PTR_ERR(dentry);
-		goto cleanup;
-	}
+	debugfs_create_file("acf", S_IRUGO, radio->debugfs, radio,
+			    &radio_acf_fops);
 
-	dentry = debugfs_create_file("rds_blckcnt", S_IRUGO,
-				     radio->debugfs, radio,
-				     &radio_rds_blckcnt_fops);
-	if (IS_ERR(dentry)) {
-		ret = PTR_ERR(dentry);
-		goto cleanup;
-	}
+	debugfs_create_file("rds_blckcnt", S_IRUGO, radio->debugfs, radio,
+			    &radio_rds_blckcnt_fops);
 
-	dentry = debugfs_create_file("agc", S_IRUGO,
-				     radio->debugfs, radio, &radio_agc_fops);
-	if (IS_ERR(dentry)) {
-		ret = PTR_ERR(dentry);
-		goto cleanup;
-	}
+	debugfs_create_file("agc", S_IRUGO, radio->debugfs, radio,
+			    &radio_agc_fops);
 
-	dentry = debugfs_create_file("rsq", S_IRUGO,
-				     radio->debugfs, radio, &radio_rsq_fops);
-	if (IS_ERR(dentry)) {
-		ret = PTR_ERR(dentry);
-		goto cleanup;
-	}
+	debugfs_create_file("rsq", S_IRUGO, radio->debugfs, radio,
+			    &radio_rsq_fops);
 
-	dentry = debugfs_create_file("rsq_primary", S_IRUGO,
-				     radio->debugfs, radio,
-				     &radio_rsq_primary_fops);
-	if (IS_ERR(dentry)) {
-		ret = PTR_ERR(dentry);
-		goto cleanup;
-	}
-
-	return 0;
-cleanup:
-	debugfs_remove_recursive(radio->debugfs);
-exit:
-	return ret;
+	debugfs_create_file("rsq_primary", S_IRUGO, radio->debugfs, radio,
+			    &radio_rsq_primary_fops);
 }
 
 
@@ -1534,11 +1498,7 @@  static int si476x_radio_probe(struct platform_device *pdev)
 		goto exit;
 	}
 
-	rval = si476x_radio_init_debugfs(radio);
-	if (rval < 0) {
-		dev_err(&pdev->dev, "Could not create debugfs interface\n");
-		goto exit;
-	}
+	si476x_radio_init_debugfs(radio);
 
 	return 0;
 exit: