diff options
| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-22 16:21:01 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2019-01-28 15:58:54 +0100 |
| commit | d7f2f7c7fc5133c82865bc39346805b1b8459c31 (patch) | |
| tree | c0d17d4a3016973351941084662997a781f7a6c5 /arch/s390/pci | |
| parent | s390/hypfs: no need to check return value of debugfs_create functions (diff) | |
| download | linux-dev-d7f2f7c7fc5133c82865bc39346805b1b8459c31.tar.xz linux-dev-d7f2f7c7fc5133c82865bc39346805b1b8459c31.zip | |
s390: pci: 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.
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Sebastian Ott <sebott@linux.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: linux-s390@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/pci')
| -rw-r--r-- | arch/s390/pci/pci_debug.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/arch/s390/pci/pci_debug.c b/arch/s390/pci/pci_debug.c index 04388a254ffb..6b48ca7760a7 100644 --- a/arch/s390/pci/pci_debug.c +++ b/arch/s390/pci/pci_debug.c @@ -172,21 +172,14 @@ static const struct file_operations debugfs_pci_perf_fops = { void zpci_debug_init_device(struct zpci_dev *zdev, const char *name) { zdev->debugfs_dev = debugfs_create_dir(name, debugfs_root); - if (IS_ERR(zdev->debugfs_dev)) - zdev->debugfs_dev = NULL; - - zdev->debugfs_perf = debugfs_create_file("statistics", - S_IFREG | S_IRUGO | S_IWUSR, - zdev->debugfs_dev, zdev, - &debugfs_pci_perf_fops); - if (IS_ERR(zdev->debugfs_perf)) - zdev->debugfs_perf = NULL; + + debugfs_create_file("statistics", S_IFREG | S_IRUGO | S_IWUSR, + zdev->debugfs_dev, zdev, &debugfs_pci_perf_fops); } void zpci_debug_exit_device(struct zpci_dev *zdev) { - debugfs_remove(zdev->debugfs_perf); - debugfs_remove(zdev->debugfs_dev); + debugfs_remove_recursive(zdev->debugfs_dev); } int __init zpci_debug_init(void) |