diff options
Diffstat (limited to 'drivers/cxl/pmem.c')
| -rw-r--r-- | drivers/cxl/pmem.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/cxl/pmem.c b/drivers/cxl/pmem.c index 647c7e25ef3a..50c6d25ede89 100644 --- a/drivers/cxl/pmem.c +++ b/drivers/cxl/pmem.c @@ -102,13 +102,15 @@ static int cxl_pmem_get_config_size(struct cxl_memdev_state *mds, struct nd_cmd_get_config_size *cmd, unsigned int buf_len) { + struct cxl_mailbox *cxl_mbox = &mds->cxlds.cxl_mbox; + if (sizeof(*cmd) > buf_len) return -EINVAL; *cmd = (struct nd_cmd_get_config_size){ .config_size = mds->lsa_size, .max_xfer = - mds->payload_size - sizeof(struct cxl_mbox_set_lsa), + cxl_mbox->payload_size - sizeof(struct cxl_mbox_set_lsa), }; return 0; |