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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2019-03-18 23:00:54 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-04-01 10:55:56 +0200 |
| commit | 817b4d64da036f5559297a2fdb82b8b14f4ffdcd (patch) | |
| tree | fa02639adb2da258699965d4e2c222d38f0edca5 /include | |
| parent | 79a3aaa7b82e3106be97842dedfd8429248896e6 (diff) | |
| download | lwn-817b4d64da036f5559297a2fdb82b8b14f4ffdcd.tar.gz lwn-817b4d64da036f5559297a2fdb82b8b14f4ffdcd.zip | |
ACPI / utils: Introduce acpi_dev_get_first_match_dev() helper
The acpi_dev_get_first_match_name() is missing put_device() call
and thus keeping reference counting unbalanced.
In order to fix the issue introduce a new helper to convert existing users
one-by-one to a better API.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/acpi/acpi_bus.h | 3 | ||||
| -rw-r--r-- | include/linux/acpi.h | 6 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 0300374101cd..2063e9e2f384 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -91,6 +91,9 @@ acpi_evaluate_dsm_typed(acpi_handle handle, const guid_t *guid, u64 rev, bool acpi_dev_found(const char *hid); bool acpi_dev_present(const char *hid, const char *uid, s64 hrv); +struct acpi_device * +acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv); + const char * acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index d5dcebd7aad3..3e1d16b00513 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -669,6 +669,12 @@ static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) return false; } +static inline struct acpi_device * +acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) +{ + return NULL; +} + static inline const char * acpi_dev_get_first_match_name(const char *hid, const char *uid, s64 hrv) { |