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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-08-18 16:36:07 +0300
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-09-01 15:13:26 +0300
commit1d8f95c497053839be326bd97eb3128e3b3312cb (patch)
treedb90511fd138f4c11a96ad016f93e53cc6c536c4 /drivers/media/radio
parent8c23f411296e544ec54f212d28c8ef4b52d818c6 (diff)
downloadlinux-1d8f95c497053839be326bd97eb3128e3b3312cb.tar.xz
media: radio: si476x: 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. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/radio')
-rw-r--r--drivers/media/radio/radio-si476x.c66
1 files changed, 13 insertions, 53 deletions
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: