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media: cec: 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>
This commit is contained in:
Greg Kroah-Hartman 2020-08-18 15:36:02 +02:00 committed by Mauro Carvalho Chehab
parent 31163906f1
commit 5d0d7b9009
2 changed files with 8 additions and 21 deletions
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25
drivers/media/cec/core/cec-core.c
View File

@ -359,27 +359,16 @@ int cec_register_adapter(struct cec_adapter *adap,
if (!top_cec_dir)
return 0;
adap->cec_dir = debugfs_create_dir(dev_name(&adap->devnode.dev), top_cec_dir);
if (IS_ERR_OR_NULL(adap->cec_dir)) {
pr_warn("cec-%s: Failed to create debugfs dir\n", adap->name);
return 0;
}
adap->status_file = debugfs_create_devm_seqfile(&adap->devnode.dev,
"status", adap->cec_dir, cec_adap_status);
if (IS_ERR_OR_NULL(adap->status_file)) {
pr_warn("cec-%s: Failed to create status file\n", adap->name);
debugfs_remove_recursive(adap->cec_dir);
adap->cec_dir = NULL;
return 0;
}
adap->cec_dir = debugfs_create_dir(dev_name(&adap->devnode.dev),
top_cec_dir);
debugfs_create_devm_seqfile(&adap->devnode.dev, "status", adap->cec_dir,
cec_adap_status);
if (!adap->ops->error_inj_show || !adap->ops->error_inj_parse_line)
return 0;
adap->error_inj_file = debugfs_create_file("error-inj", 0644,
adap->cec_dir, adap,
debugfs_create_file("error-inj", 0644, adap->cec_dir, adap,
&cec_error_inj_fops);
if (IS_ERR_OR_NULL(adap->error_inj_file))
pr_warn("cec-%s: Failed to create error-inj file\n",
adap->name);
#endif
return 0;
}

2
include/media/cec.h
View File

@ -248,8 +248,6 @@ struct cec_adapter {
#endif
struct dentry *cec_dir;
struct dentry *status_file;
struct dentry *error_inj_file;
u32 sequence;