cxl/mbox: Add a check on input payload size
authorJonathan Cameron <Jonathan.Cameron@huawei.com>
Mon, 15 Aug 2022 15:40:43 +0000 (16:40 +0100)
committerDan Williams <dan.j.williams@intel.com>
Thu, 20 Oct 2022 23:28:53 +0000 (16:28 -0700)
commitcf00b33058b196b4db928419dde68993b15a975b
tree7005b5d850a487619538ab15c2158161b2eee855
parent9abf2313adc1ca1b6180c508c25f22f9395cc780
cxl/mbox: Add a check on input payload size

A bug in the LSA code resulted in transfers slightly larger
than the mailbox size. Let us make it easier to catch similar
issues in future by adding a low level check.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20220815154044.24733-2-Jonathan.Cameron@huawei.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
drivers/cxl/core/mbox.c