Commit be67b68d authored by Kees Cook's avatar Kees Cook Committed by Jiri Kosina
Browse files

HID: check for NULL field when setting values 



Defensively check that the field to be worked on is not NULL.

Signed-off-by: default avatarKees Cook <keescook@chromium.org>
Cc: stable@kernel.org
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 1e87a245

drivers/hid/hid-core.c

+6 −1
Original line number Diff line number Diff line
@@ -1169,7 +1169,12 @@ EXPORT_SYMBOL_GPL(hid_alloc_report_buf); 


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);