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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-08-18 16:36:02 +0300
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-09-01 15:13:26 +0300
commit5d0d7b9009feb3b411814b9c1b7dddabbb10a5fb (patch)
tree0a4d18cc128b71c930b85ab2d47fbb66bfaf11fc /drivers
parent31163906f19b0c6e23c89e6852bfdaa242e8467c (diff)
downloadlinux-5d0d7b9009feb3b411814b9c1b7dddabbb10a5fb.tar.xz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/cec/core/cec-core.c27
1 files changed, 8 insertions, 19 deletions
diff --git a/drivers/media/cec/core/cec-core.c b/drivers/media/cec/core/cec-core.c
index c599cd94dd62..562792f545ac 100644
--- a/drivers/media/cec/core/cec-core.c
+++ b/drivers/media/cec/core/cec-core.c
@@ -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,
- &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);
+ debugfs_create_file("error-inj", 0644, adap->cec_dir, adap,
+ &cec_error_inj_fops);
#endif
return 0;
}