@@ -83,27 +83,14 @@ void fhci_dfs_create(struct fhci_hcd *fhci)
struct device *dev = fhci_to_hcd(fhci)->self.controller;
fhci->dfs_root = debugfs_create_dir(dev_name(dev), usb_debug_root);
- if (!fhci->dfs_root) {
- WARN_ON(1);
- return;
- }
-
- fhci->dfs_regs = debugfs_create_file("regs", S_IFREG | S_IRUGO,
- fhci->dfs_root, fhci, &fhci_dfs_regs_fops);
- fhci->dfs_irq_stat = debugfs_create_file("irq_stat",
- S_IFREG | S_IRUGO, fhci->dfs_root, fhci,
- &fhci_dfs_irq_stat_fops);
-
- WARN_ON(!fhci->dfs_regs || !fhci->dfs_irq_stat);
+ debugfs_create_file("regs", S_IFREG | S_IRUGO, fhci->dfs_root, fhci,
+ &fhci_dfs_regs_fops);
+ debugfs_create_file("irq_stat", S_IFREG | S_IRUGO, fhci->dfs_root, fhci,
+ &fhci_dfs_irq_stat_fops);
}
void fhci_dfs_destroy(struct fhci_hcd *fhci)
{
- if (!fhci->dfs_root)
- return;
-
- debugfs_remove(fhci->dfs_irq_stat);
- debugfs_remove(fhci->dfs_regs);
- debugfs_remove(fhci->dfs_root);
+ debugfs_remove_recursive(fhci->dfs_root);
}
@@ -262,8 +262,6 @@ struct fhci_hcd {
#ifdef CONFIG_FHCI_DEBUG
int usb_irq_stat[13];
struct dentry *dfs_root;
- struct dentry *dfs_regs;
- struct dentry *dfs_irq_stat;
#endif
};
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. There is also no need to keep the file dentries around at all, so remove those variables from the host controller structure. Cc: Felipe Balbi <felipe.balbi@linux.intel.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/usb/host/fhci-dbg.c | 23 +++++------------------ drivers/usb/host/fhci.h | 2 -- 2 files changed, 5 insertions(+), 20 deletions(-)