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media: siano: remove redundant null pointer checks in cec_devnode_init()

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Since the debugfs_create_dir() never returns a null pointer, checking
the return value for a null pointer is redundant, Remove this check
since debugfs_create_file can handle IS_ERR pointers.

Signed-off-by: Li Zetao <lizetao1@huawei.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Li Zetao 2024-09-10 23:48:03 +08:00 committed by Hans Verkuil
parent 672f24ed6e
commit 2c21fd53a1
1 changed files with 1 additions and 8 deletions
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9
drivers/media/common/siano/smsdvb-debugfs.c
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@ -398,8 +398,6 @@ void smsdvb_debugfs_release(struct smsdvb_client_t *client)
void smsdvb_debugfs_register(void)
{
struct dentry *d;
/*
* FIXME: This was written to debug Siano USB devices. So, it creates
* the debugfs node under <debugfs>/usb.
@ -410,12 +408,7 @@ void smsdvb_debugfs_register(void)
* node for sdio-based boards, but this may need some logic at sdio
* subsystem.
*/
d = debugfs_create_dir("smsdvb", usb_debug_root);
if (IS_ERR_OR_NULL(d)) {
pr_err("Couldn't create sysfs node for smsdvb\n");
return;
}
smsdvb_debugfs_usb_root = d;
smsdvb_debugfs_usb_root = debugfs_create_dir("smsdvb", usb_debug_root);
}
void smsdvb_debugfs_unregister(void)