@@ -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)
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> --- v2 -> v3: Drop the redundant variable d and assign it directly v2: https://lore.kernel.org/all/20240907034400.3693797-2-lizetao1@huawei.com/ v1 -> v2: Remove this check since debugfs_create_file can handle IS_ERR pointers. v1: https://lore.kernel.org/all/20240903143607.2004802-2-lizetao1@huawei.com/ drivers/media/common/siano/smsdvb-debugfs.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-)