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| author | Ralf Baechle <ralf@linux-mips.org> | 2014-06-04 22:53:02 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-06-04 22:53:02 +0200 |
| commit | f8647b506d7116a1a3accd8d618184096e85f50b (patch) | |
| tree | f10bc7201fda2a36c035548a0ea62210ad57adb6 /drivers/char/tpm/tpm_ppi.c | |
| parent | MIPS: IP22/IP28: Improve GIO support (diff) | |
| parent | MIPS: Call find_vma with the mmap_sem held (diff) | |
| download | linux-f8647b506d7116a1a3accd8d618184096e85f50b.tar.xz linux-f8647b506d7116a1a3accd8d618184096e85f50b.zip | |
Merge branch '3.15-fixes' into mips-for-linux-next
Diffstat (limited to 'drivers/char/tpm/tpm_ppi.c')
| -rw-r--r-- | drivers/char/tpm/tpm_ppi.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c index b3ea223585bd..61dcc8011ec7 100644 --- a/drivers/char/tpm/tpm_ppi.c +++ b/drivers/char/tpm/tpm_ppi.c @@ -328,13 +328,11 @@ int tpm_add_ppi(struct kobject *parent) /* Cache TPM ACPI handle and version string */ acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, ppi_callback, NULL, NULL, &tpm_ppi_handle); - if (tpm_ppi_handle == NULL) - return -ENODEV; - - return sysfs_create_group(parent, &ppi_attr_grp); + return tpm_ppi_handle ? sysfs_create_group(parent, &ppi_attr_grp) : 0; } void tpm_remove_ppi(struct kobject *parent) { - sysfs_remove_group(parent, &ppi_attr_grp); + if (tpm_ppi_handle) + sysfs_remove_group(parent, &ppi_attr_grp); } |