diff options
| author | Armin Wolf <W_Armin@gmx.de> | 2026-04-06 22:32:35 +0200 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2026-04-13 14:11:24 +0300 |
| commit | 96b1b053e10d89f666a37b52be25ed4294e342be (patch) | |
| tree | f0bacf21049b3c89bd49606cd5186b6961a60e9c /include | |
| parent | 204b52fadf98b77eab8fd6cba4a7d55224bbf11b (diff) | |
platform/wmi: Extend wmidev_invoke_method() to reject undersized data
WMI drivers using the buffer-based WMI API are expected to reject
undersized method return values. Extend wmidev_invoke_method() 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/20260406203237.2970-5-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')
| -rw-r--r-- | include/linux/wmi.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/wmi.h b/include/linux/wmi.h index b00950dc1231..858398beb01a 100644 --- a/include/linux/wmi.h +++ b/include/linux/wmi.h @@ -68,7 +68,7 @@ ssize_t wmi_string_from_utf8s(struct wmi_string *str, size_t max_chars, const u8 size_t src_length); int wmidev_invoke_method(struct wmi_device *wdev, u8 instance, u32 method_id, - const struct wmi_buffer *in, struct wmi_buffer *out); + const struct wmi_buffer *in, struct wmi_buffer *out, size_t min_size); int wmidev_invoke_procedure(struct wmi_device *wdev, u8 instance, u32 method_id, const struct wmi_buffer *in); |