diff options
| author | Armin Wolf <W_Armin@gmx.de> | 2026-04-06 22:32:36 +0200 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2026-04-13 14:11:25 +0300 |
| commit | 1aeded2f55f04fafb07b01e12142fd20c2a3d288 (patch) | |
| tree | 83f906403dea26bec37e305410451243ff2d061e /include/linux/wmi.h | |
| parent | 96b1b053e10d89f666a37b52be25ed4294e342be (diff) | |
platform/wmi: Extend wmidev_query_block() to reject undersized data
WMI drivers using the buffer-based WMI API are expected to reject
undersized query results. Extend wmidev_query_block() to enable
the WMI driver core to perform this size check internally.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20260406203237.2970-6-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Diffstat (limited to 'include/linux/wmi.h')
| -rw-r--r-- | include/linux/wmi.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/wmi.h b/include/linux/wmi.h index 858398beb01a..da94580572a9 100644 --- a/include/linux/wmi.h +++ b/include/linux/wmi.h @@ -73,7 +73,8 @@ int wmidev_invoke_method(struct wmi_device *wdev, u8 instance, u32 method_id, int wmidev_invoke_procedure(struct wmi_device *wdev, u8 instance, u32 method_id, const struct wmi_buffer *in); -int wmidev_query_block(struct wmi_device *wdev, u8 instance, struct wmi_buffer *out); +int wmidev_query_block(struct wmi_device *wdev, u8 instance, struct wmi_buffer *out, + size_t min_size); int wmidev_set_block(struct wmi_device *wdev, u8 instance, const struct wmi_buffer *in); |