From: Kees Cook <[email protected]> Defensively check that the field to be worked on is not NULL.
Signed-off-by: Kees Cook <[email protected]> Cc: [email protected] --- drivers/hid/hid-core.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 55798b2..192be6b 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1206,7 +1206,12 @@ EXPORT_SYMBOL_GPL(hid_output_report); int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) { - unsigned size = field->report_size; + unsigned size; + + if (!field) + return -1; + + size = field->report_size; hid_dump_input(field->report->device, field->usage + offset, value); -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
